31015280

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1223}}^1$

素因数の和:1553

約数の個数: 40

約数和(自身を含む): 72397152

約数和(自身を除く): 41381872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1223, 1268, 1585, 2446, 2536, 3170, 4892, 5072, 6115, 6340, 9784, 12230, 12680, 19568, 24460, 25360, 48920, 97840, 387691, 775382, 1550764, 1938455, 3101528, 3876910, 6203056, 7753820, 15507640, 31015280]

約数ペア:

[(1, 31015280), (2, 15507640), (4, 7753820), (5, 6203056), (8, 3876910), (10, 3101528), (16, 1938455), (20, 1550764), (40, 775382), (80, 387691), (317, 97840), (634, 48920), (1223, 25360), (1268, 24460), (1585, 19568), (2446, 12680), (2536, 12230), (3170, 9784), (4892, 6340), (5072, 6115)]