80640644

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{19073}}^1$

素因数の和:19235

約数の個数: 24

約数和(自身を含む): 162357888

約数和(自身を除く): 81717244

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 19073, 38146, 76292, 133511, 267022, 534044, 2880023, 5760046, 11520092, 20160161, 40320322, 80640644]

約数ペア:

[(1, 80640644), (2, 40320322), (4, 20160161), (7, 11520092), (14, 5760046), (28, 2880023), (151, 534044), (302, 267022), (604, 133511), (1057, 76292), (2114, 38146), (4228, 19073)]