8049504020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12983071}}^1$

素因数の和:12983111

約数の個数: 24

約数和(自身を含む): 17449248768

約数和(自身を除く): 9399744748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12983071, 25966142, 51932284, 64915355, 129830710, 259661420, 402475201, 804950402, 1609900804, 2012376005, 4024752010, 8049504020]

約数ペア:

[(1, 8049504020), (2, 4024752010), (4, 2012376005), (5, 1609900804), (10, 804950402), (20, 402475201), (31, 259661420), (62, 129830710), (124, 64915355), (155, 51932284), (310, 25966142), (620, 12983071)]