201587620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14629}}^1$

素因数の和:14704

約数の個数: 48

約数和(自身を含む): 464531760

約数和(自身を除く): 262944140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 14629, 29258, 58516, 73145, 146290, 190177, 292580, 380354, 760708, 775337, 950885, 1550674, 1901770, 3101348, 3803540, 3876685, 7753370, 10079381, 15506740, 20158762, 40317524, 50396905, 100793810, 201587620]

約数ペア:

[(1, 201587620), (2, 100793810), (4, 50396905), (5, 40317524), (10, 20158762), (13, 15506740), (20, 10079381), (26, 7753370), (52, 3876685), (53, 3803540), (65, 3101348), (106, 1901770), (130, 1550674), (212, 950885), (260, 775337), (265, 760708), (530, 380354), (689, 292580), (1060, 190177), (1378, 146290), (2756, 73145), (3445, 58516), (6890, 29258), (13780, 14629)]