80726270

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 147790656

約数和(自身を除く): 67064386

約数列:

[1, 2, 5, 10, 101, 202, 257, 311, 505, 514, 622, 1010, 1285, 1555, 2570, 3110, 25957, 31411, 51914, 62822, 79927, 129785, 157055, 159854, 259570, 314110, 399635, 799270, 8072627, 16145254, 40363135, 80726270]

約数ペア:

[(1, 80726270), (2, 40363135), (5, 16145254), (10, 8072627), (101, 799270), (202, 399635), (257, 314110), (311, 259570), (505, 159854), (514, 157055), (622, 129785), (1010, 79927), (1285, 62822), (1555, 51914), (2570, 31411), (3110, 25957)]