80455570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21341}}^1$

素因数の和:21390

約数の個数: 32

約数和(自身を含む): 161345520

約数和(自身を除く): 80889950

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 21341, 42682, 106705, 213410, 277433, 554866, 618889, 1237778, 1387165, 2774330, 3094445, 6188890, 8045557, 16091114, 40227785, 80455570]

約数ペア:

[(1, 80455570), (2, 40227785), (5, 16091114), (10, 8045557), (13, 6188890), (26, 3094445), (29, 2774330), (58, 1387165), (65, 1237778), (130, 618889), (145, 554866), (290, 277433), (377, 213410), (754, 106705), (1885, 42682), (3770, 21341)]