80368964

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2040

約数の個数: 36

約数和(自身を含む): 154872900

約数和(自身を除く): 74503936

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 244, 338, 676, 793, 1586, 1949, 3172, 3898, 7796, 10309, 20618, 25337, 41236, 50674, 101348, 118889, 237778, 329381, 475556, 658762, 1317524, 1545557, 3091114, 6182228, 20092241, 40184482, 80368964]

約数ペア:

[(1, 80368964), (2, 40184482), (4, 20092241), (13, 6182228), (26, 3091114), (52, 1545557), (61, 1317524), (122, 658762), (169, 475556), (244, 329381), (338, 237778), (676, 118889), (793, 101348), (1586, 50674), (1949, 41236), (3172, 25337), (3898, 20618), (7796, 10309)]