1626440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 3716280

約数和(自身を除く): 2089840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 557, 584, 730, 1114, 1460, 2228, 2785, 2920, 4456, 5570, 11140, 22280, 40661, 81322, 162644, 203305, 325288, 406610, 813220, 1626440]

約数ペア:

[(1, 1626440), (2, 813220), (4, 406610), (5, 325288), (8, 203305), (10, 162644), (20, 81322), (40, 40661), (73, 22280), (146, 11140), (292, 5570), (365, 4456), (557, 2920), (584, 2785), (730, 2228), (1114, 1460)]