31294240

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{617}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 74286072

約数和(自身を除く): 42991832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 617, 634, 1234, 1268, 1585, 2468, 2536, 3085, 3170, 4936, 5072, 6170, 6340, 9872, 10144, 12340, 12680, 19744, 24680, 25360, 49360, 50720, 98720, 195589, 391178, 782356, 977945, 1564712, 1955890, 3129424, 3911780, 6258848, 7823560, 15647120, 31294240]

約数ペア:

[(1, 31294240), (2, 15647120), (4, 7823560), (5, 6258848), (8, 3911780), (10, 3129424), (16, 1955890), (20, 1564712), (32, 977945), (40, 782356), (80, 391178), (160, 195589), (317, 98720), (617, 50720), (634, 49360), (1234, 25360), (1268, 24680), (1585, 19744), (2468, 12680), (2536, 12340), (3085, 10144), (3170, 9872), (4936, 6340), (5072, 6170)]