157464820

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{4723}}^1$

素因数の和:6399

約数の個数: 24

約数和(自身を含む): 330944544

約数和(自身を除く): 173479724

約数列:

[1, 2, 4, 5, 10, 20, 1667, 3334, 4723, 6668, 8335, 9446, 16670, 18892, 23615, 33340, 47230, 94460, 7873241, 15746482, 31492964, 39366205, 78732410, 157464820]

約数ペア:

[(1, 157464820), (2, 78732410), (4, 39366205), (5, 31492964), (10, 15746482), (20, 7873241), (1667, 94460), (3334, 47230), (4723, 33340), (6668, 23615), (8335, 18892), (9446, 16670)]