80415985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 110507040

約数和(自身を除く): 30091055

約数列:

[1, 5, 13, 29, 37, 65, 145, 185, 377, 481, 1073, 1153, 1885, 2405, 5365, 5765, 13949, 14989, 33437, 42661, 69745, 74945, 167185, 213305, 434681, 554593, 1237169, 2173405, 2772965, 6185845, 16083197, 80415985]

約数ペア:

[(1, 80415985), (5, 16083197), (13, 6185845), (29, 2772965), (37, 2173405), (65, 1237169), (145, 554593), (185, 434681), (377, 213305), (481, 167185), (1073, 74945), (1153, 69745), (1885, 42661), (2405, 33437), (5365, 14989), (5765, 13949)]