65770120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126481}}^1$

素因数の和:126505

約数の個数: 32

約数和(自身を含む): 159367320

約数和(自身を除く): 93597200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 126481, 252962, 505924, 632405, 1011848, 1264810, 1644253, 2529620, 3288506, 5059240, 6577012, 8221265, 13154024, 16442530, 32885060, 65770120]

約数ペア:

[(1, 65770120), (2, 32885060), (4, 16442530), (5, 13154024), (8, 8221265), (10, 6577012), (13, 5059240), (20, 3288506), (26, 2529620), (40, 1644253), (52, 1264810), (65, 1011848), (104, 632405), (130, 505924), (260, 252962), (520, 126481)]