331553840

素因数分解:

$2^4\times 5^1\times {\mathrm{4144423}}^1$

素因数の和:4144436

約数の個数: 20

約数和(自身を含む): 770862864

約数和(自身を除く): 439309024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4144423, 8288846, 16577692, 20722115, 33155384, 41444230, 66310768, 82888460, 165776920, 331553840]

約数ペア:

[(1, 331553840), (2, 165776920), (4, 82888460), (5, 66310768), (8, 41444230), (10, 33155384), (16, 20722115), (20, 16577692), (40, 8288846), (80, 4144423)]