15796520

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{709}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 35656200

約数和(自身を除く): 19859680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 709, 1114, 1418, 2228, 2785, 2836, 3545, 4456, 5570, 5672, 7090, 11140, 14180, 22280, 28360, 394913, 789826, 1579652, 1974565, 3159304, 3949130, 7898260, 15796520]

約数ペア:

[(1, 15796520), (2, 7898260), (4, 3949130), (5, 3159304), (8, 1974565), (10, 1579652), (20, 789826), (40, 394913), (557, 28360), (709, 22280), (1114, 14180), (1418, 11140), (2228, 7090), (2785, 5672), (2836, 5570), (3545, 4456)]