185815880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{87649}}^1$

素因数の和:87713

約数の個数: 32

約数和(自身を含む): 425979000

約数和(自身を除く): 240163120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 87649, 175298, 350596, 438245, 701192, 876490, 1752980, 3505960, 4645397, 9290794, 18581588, 23226985, 37163176, 46453970, 92907940, 185815880]

約数ペア:

[(1, 185815880), (2, 92907940), (4, 46453970), (5, 37163176), (8, 23226985), (10, 18581588), (20, 9290794), (40, 4645397), (53, 3505960), (106, 1752980), (212, 876490), (265, 701192), (424, 438245), (530, 350596), (1060, 175298), (2120, 87649)]