80910992

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163127}}^1$

素因数の和:163166

約数の個数: 20

約数和(自身を含む): 161822976

約数和(自身を除く): 80911984

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163127, 326254, 652508, 1305016, 2610032, 5056937, 10113874, 20227748, 40455496, 80910992]

約数ペア:

[(1, 80910992), (2, 40455496), (4, 20227748), (8, 10113874), (16, 5056937), (31, 2610032), (62, 1305016), (124, 652508), (248, 326254), (496, 163127)]