31605880

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5303}}^1$

素因数の和:5463

約数の個数: 32

約数和(自身を含む): 71604000

約数和(自身を除く): 39998120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5303, 5960, 10606, 21212, 26515, 42424, 53030, 106060, 212120, 790147, 1580294, 3160588, 3950735, 6321176, 7901470, 15802940, 31605880]

約数ペア:

[(1, 31605880), (2, 15802940), (4, 7901470), (5, 6321176), (8, 3950735), (10, 3160588), (20, 1580294), (40, 790147), (149, 212120), (298, 106060), (596, 53030), (745, 42424), (1192, 26515), (1490, 21212), (2980, 10606), (5303, 5960)]