31522480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 80914464

約数和(自身を除く): 49391984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 317, 440, 452, 565, 634, 880, 904, 1130, 1243, 1268, 1585, 1808, 2260, 2486, 2536, 3170, 3487, 4520, 4972, 5072, 6215, 6340, 6974, 9040, 9944, 12430, 12680, 13948, 17435, 19888, 24860, 25360, 27896, 34870, 35821, 49720, 55792, 69740, 71642, 99440, 139480, 143284, 179105, 278960, 286568, 358210, 394031, 573136, 716420, 788062, 1432840, 1576124, 1970155, 2865680, 3152248, 3940310, 6304496, 7880620, 15761240, 31522480]

約数ペア:

[(1, 31522480), (2, 15761240), (4, 7880620), (5, 6304496), (8, 3940310), (10, 3152248), (11, 2865680), (16, 1970155), (20, 1576124), (22, 1432840), (40, 788062), (44, 716420), (55, 573136), (80, 394031), (88, 358210), (110, 286568), (113, 278960), (176, 179105), (220, 143284), (226, 139480), (317, 99440), (440, 71642), (452, 69740), (565, 55792), (634, 49720), (880, 35821), (904, 34870), (1130, 27896), (1243, 25360), (1268, 24860), (1585, 19888), (1808, 17435), (2260, 13948), (2486, 12680), (2536, 12430), (3170, 9944), (3487, 9040), (4520, 6974), (4972, 6340), (5072, 6215)]