38855253760

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1\times {\mathrm{499}}^1$

素因数の和:1126

約数の個数: 144

約数和(自身を含む): 94187520000

約数和(自身を除く): 55332266240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 479, 499, 508, 635, 640, 958, 998, 1016, 1270, 1280, 1916, 1996, 2032, 2395, 2495, 2540, 3832, 3992, 4064, 4790, 4990, 5080, 7664, 7984, 8128, 9580, 9980, 10160, 15328, 15968, 16256, 19160, 19960, 20320, 30656, 31936, 32512, 38320, 39920, 40640, 60833, 61312, 63373, 63872, 76640, 79840, 81280, 121666, 122624, 126746, 127744, 153280, 159680, 162560, 239021, 243332, 253492, 304165, 306560, 316865, 319360, 478042, 486664, 506984, 608330, 613120, 633730, 638720, 956084, 973328, 1013968, 1195105, 1216660, 1267460, 1912168, 1946656, 2027936, 2390210, 2433320, 2534920, 3824336, 3893312, 4055872, 4780420, 4866640, 5069840, 7648672, 7786624, 8111744, 9560840, 9733280, 10139680, 15297344, 15573248, 16223488, 19121680, 19466560, 20279360, 30355667, 30594688, 38243360, 38933120, 40558720, 60711334, 61189376, 76486720, 77866240, 81117440, 121422668, 151778335, 152973440, 242845336, 303556670, 305946880, 485690672, 607113340, 971381344, 1214226680, 1942762688, 2428453360, 3885525376, 4856906720, 7771050752, 9713813440, 19427626880, 38855253760]

約数ペア:

[(1, 38855253760), (2, 19427626880), (4, 9713813440), (5, 7771050752), (8, 4856906720), (10, 3885525376), (16, 2428453360), (20, 1942762688), (32, 1214226680), (40, 971381344), (64, 607113340), (80, 485690672), (127, 305946880), (128, 303556670), (160, 242845336), (254, 152973440), (256, 151778335), (320, 121422668), (479, 81117440), (499, 77866240), (508, 76486720), (635, 61189376), (640, 60711334), (958, 40558720), (998, 38933120), (1016, 38243360), (1270, 30594688), (1280, 30355667), (1916, 20279360), (1996, 19466560), (2032, 19121680), (2395, 16223488), (2495, 15573248), (2540, 15297344), (3832, 10139680), (3992, 9733280), (4064, 9560840), (4790, 8111744), (4990, 7786624), (5080, 7648672), (7664, 5069840), (7984, 4866640), (8128, 4780420), (9580, 4055872), (9980, 3893312), (10160, 3824336), (15328, 2534920), (15968, 2433320), (16256, 2390210), (19160, 2027936), (19960, 1946656), (20320, 1912168), (30656, 1267460), (31936, 1216660), (32512, 1195105), (38320, 1013968), (39920, 973328), (40640, 956084), (60833, 638720), (61312, 633730), (63373, 613120), (63872, 608330), (76640, 506984), (79840, 486664), (81280, 478042), (121666, 319360), (122624, 316865), (126746, 306560), (127744, 304165), (153280, 253492), (159680, 243332), (162560, 239021)]