63646720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 88

約数和(自身を含む): 157995648

約数和(自身を除く): 94348928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 401, 496, 512, 620, 640, 802, 992, 1024, 1240, 1280, 1604, 1984, 2005, 2480, 2560, 3208, 3968, 4010, 4960, 5120, 6416, 7936, 8020, 9920, 12431, 12832, 15872, 16040, 19840, 24862, 25664, 31744, 32080, 39680, 49724, 51328, 62155, 64160, 79360, 99448, 102656, 124310, 128320, 158720, 198896, 205312, 248620, 256640, 397792, 410624, 497240, 513280, 795584, 994480, 1026560, 1591168, 1988960, 2053120, 3182336, 3977920, 6364672, 7955840, 12729344, 15911680, 31823360, 63646720]

約数ペア:

[(1, 63646720), (2, 31823360), (4, 15911680), (5, 12729344), (8, 7955840), (10, 6364672), (16, 3977920), (20, 3182336), (31, 2053120), (32, 1988960), (40, 1591168), (62, 1026560), (64, 994480), (80, 795584), (124, 513280), (128, 497240), (155, 410624), (160, 397792), (248, 256640), (256, 248620), (310, 205312), (320, 198896), (401, 158720), (496, 128320), (512, 124310), (620, 102656), (640, 99448), (802, 79360), (992, 64160), (1024, 62155), (1240, 51328), (1280, 49724), (1604, 39680), (1984, 32080), (2005, 31744), (2480, 25664), (2560, 24862), (3208, 19840), (3968, 16040), (4010, 15872), (4960, 12832), (5120, 12431), (6416, 9920), (7936, 8020)]