80983370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21481}}^1$

素因数の和:21530

約数の個数: 32

約数和(自身を含む): 162403920

約数和(自身を除く): 81420550

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 21481, 42962, 107405, 214810, 279253, 558506, 622949, 1245898, 1396265, 2792530, 3114745, 6229490, 8098337, 16196674, 40491685, 80983370]

約数ペア:

[(1, 80983370), (2, 40491685), (5, 16196674), (10, 8098337), (13, 6229490), (26, 3114745), (29, 2792530), (58, 1396265), (65, 1245898), (130, 622949), (145, 558506), (290, 279253), (377, 214810), (754, 107405), (1885, 42962), (3770, 21481)]