31887160

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6277}}^1$

素因数の和:6415

約数の個数: 32

約数和(自身を含む): 72322560

約数和(自身を除く): 40435400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 6277, 12554, 25108, 31385, 50216, 62770, 125540, 251080, 797179, 1594358, 3188716, 3985895, 6377432, 7971790, 15943580, 31887160]

約数ペア:

[(1, 31887160), (2, 15943580), (4, 7971790), (5, 6377432), (8, 3985895), (10, 3188716), (20, 1594358), (40, 797179), (127, 251080), (254, 125540), (508, 62770), (635, 50216), (1016, 31385), (1270, 25108), (2540, 12554), (5080, 6277)]