40647040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 114174720

約数和(自身を除く): 73527680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 211, 215, 224, 280, 301, 320, 344, 422, 430, 448, 560, 602, 640, 688, 844, 860, 896, 1055, 1120, 1204, 1376, 1477, 1505, 1688, 1720, 2110, 2240, 2408, 2752, 2954, 3010, 3376, 3440, 4220, 4480, 4816, 5504, 5908, 6020, 6752, 6880, 7385, 8440, 9073, 9632, 11816, 12040, 13504, 13760, 14770, 16880, 18146, 19264, 23632, 24080, 27008, 27520, 29540, 33760, 36292, 38528, 45365, 47264, 48160, 59080, 63511, 67520, 72584, 90730, 94528, 96320, 118160, 127022, 135040, 145168, 181460, 189056, 192640, 236320, 254044, 290336, 317555, 362920, 472640, 508088, 580672, 635110, 725840, 945280, 1016176, 1161344, 1270220, 1451680, 2032352, 2540440, 2903360, 4064704, 5080880, 5806720, 8129408, 10161760, 20323520, 40647040]

約数ペア:

[(1, 40647040), (2, 20323520), (4, 10161760), (5, 8129408), (7, 5806720), (8, 5080880), (10, 4064704), (14, 2903360), (16, 2540440), (20, 2032352), (28, 1451680), (32, 1270220), (35, 1161344), (40, 1016176), (43, 945280), (56, 725840), (64, 635110), (70, 580672), (80, 508088), (86, 472640), (112, 362920), (128, 317555), (140, 290336), (160, 254044), (172, 236320), (211, 192640), (215, 189056), (224, 181460), (280, 145168), (301, 135040), (320, 127022), (344, 118160), (422, 96320), (430, 94528), (448, 90730), (560, 72584), (602, 67520), (640, 63511), (688, 59080), (844, 48160), (860, 47264), (896, 45365), (1055, 38528), (1120, 36292), (1204, 33760), (1376, 29540), (1477, 27520), (1505, 27008), (1688, 24080), (1720, 23632), (2110, 19264), (2240, 18146), (2408, 16880), (2752, 14770), (2954, 13760), (3010, 13504), (3376, 12040), (3440, 11816), (4220, 9632), (4480, 9073), (4816, 8440), (5504, 7385), (5908, 6880), (6020, 6752)]