31042160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12517}}^1$

素因数の和:12561

約数の個数: 40

約数和(自身を含む): 74507136

約数和(自身を除く): 43464976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12517, 25034, 50068, 62585, 100136, 125170, 200272, 250340, 388027, 500680, 776054, 1001360, 1552108, 1940135, 3104216, 3880270, 6208432, 7760540, 15521080, 31042160]

約数ペア:

[(1, 31042160), (2, 15521080), (4, 7760540), (5, 6208432), (8, 3880270), (10, 3104216), (16, 1940135), (20, 1552108), (31, 1001360), (40, 776054), (62, 500680), (80, 388027), (124, 250340), (155, 200272), (248, 125170), (310, 100136), (496, 62585), (620, 50068), (1240, 25034), (2480, 12517)]