80911984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163129}}^1$

素因数の和:163168

約数の個数: 20

約数和(自身を含む): 161824960

約数和(自身を除く): 80912976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163129, 326258, 652516, 1305032, 2610064, 5056999, 10113998, 20227996, 40455992, 80911984]

約数ペア:

[(1, 80911984), (2, 40455992), (4, 20227996), (8, 10113998), (16, 5056999), (31, 2610064), (62, 1305032), (124, 652516), (248, 326258), (496, 163129)]