30958160

素因数分解:

$2^4\times 5^1\times {\mathrm{386977}}^1$

素因数の和:386990

約数の個数: 20

約数和(自身を含む): 71977908

約数和(自身を除く): 41019748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386977, 773954, 1547908, 1934885, 3095816, 3869770, 6191632, 7739540, 15479080, 30958160]

約数ペア:

[(1, 30958160), (2, 15479080), (4, 7739540), (5, 6191632), (8, 3869770), (10, 3095816), (16, 1934885), (20, 1547908), (40, 773954), (80, 386977)]