2307640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 5362560

約数和(自身を除く): 3054920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1861, 3722, 7444, 9305, 14888, 18610, 37220, 57691, 74440, 115382, 230764, 288455, 461528, 576910, 1153820, 2307640]

約数ペア:

[(1, 2307640), (2, 1153820), (4, 576910), (5, 461528), (8, 288455), (10, 230764), (20, 115382), (31, 74440), (40, 57691), (62, 37220), (124, 18610), (155, 14888), (248, 9305), (310, 7444), (620, 3722), (1240, 1861)]