28685500

素因数分解:

$2^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 63370944

約数和(自身を除く): 34685444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 125, 206, 250, 412, 500, 515, 557, 1030, 1114, 2060, 2228, 2575, 2785, 5150, 5570, 10300, 11140, 12875, 13925, 25750, 27850, 51500, 55700, 57371, 69625, 114742, 139250, 229484, 278500, 286855, 573710, 1147420, 1434275, 2868550, 5737100, 7171375, 14342750, 28685500]

約数ペア:

[(1, 28685500), (2, 14342750), (4, 7171375), (5, 5737100), (10, 2868550), (20, 1434275), (25, 1147420), (50, 573710), (100, 286855), (103, 278500), (125, 229484), (206, 139250), (250, 114742), (412, 69625), (500, 57371), (515, 55700), (557, 51500), (1030, 27850), (1114, 25750), (2060, 13925), (2228, 12875), (2575, 11140), (2785, 10300), (5150, 5570)]