522996920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{2081}}^1$

素因数の和:2256

約数の個数: 64

約数和(自身を含む): 1208226240

約数和(自身を除く): 685229320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 122, 206, 244, 305, 412, 488, 515, 610, 824, 1030, 1220, 2060, 2081, 2440, 4120, 4162, 6283, 8324, 10405, 12566, 16648, 20810, 25132, 31415, 41620, 50264, 62830, 83240, 125660, 126941, 214343, 251320, 253882, 428686, 507764, 634705, 857372, 1015528, 1071715, 1269410, 1714744, 2143430, 2538820, 4286860, 5077640, 8573720, 13074923, 26149846, 52299692, 65374615, 104599384, 130749230, 261498460, 522996920]

約数ペア:

[(1, 522996920), (2, 261498460), (4, 130749230), (5, 104599384), (8, 65374615), (10, 52299692), (20, 26149846), (40, 13074923), (61, 8573720), (103, 5077640), (122, 4286860), (206, 2538820), (244, 2143430), (305, 1714744), (412, 1269410), (488, 1071715), (515, 1015528), (610, 857372), (824, 634705), (1030, 507764), (1220, 428686), (2060, 253882), (2081, 251320), (2440, 214343), (4120, 126941), (4162, 125660), (6283, 83240), (8324, 62830), (10405, 50264), (12566, 41620), (16648, 31415), (20810, 25132)]