8920640

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:535

約数の個数: 56

約数和(自身を含む): 21637752

約数和(自身を除く): 12717112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 457, 488, 610, 914, 976, 1220, 1828, 1952, 2285, 2440, 3656, 3904, 4570, 4880, 7312, 9140, 9760, 14624, 18280, 19520, 27877, 29248, 36560, 55754, 73120, 111508, 139385, 146240, 223016, 278770, 446032, 557540, 892064, 1115080, 1784128, 2230160, 4460320, 8920640]

約数ペア:

[(1, 8920640), (2, 4460320), (4, 2230160), (5, 1784128), (8, 1115080), (10, 892064), (16, 557540), (20, 446032), (32, 278770), (40, 223016), (61, 146240), (64, 139385), (80, 111508), (122, 73120), (160, 55754), (244, 36560), (305, 29248), (320, 27877), (457, 19520), (488, 18280), (610, 14624), (914, 9760), (976, 9140), (1220, 7312), (1828, 4880), (1952, 4570), (2285, 3904), (2440, 3656)]