2145820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3461}}^1$

素因数の和:3501

約数の個数: 24

約数和(自身を含む): 4652928

約数和(自身を除く): 2507108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3461, 6922, 13844, 17305, 34610, 69220, 107291, 214582, 429164, 536455, 1072910, 2145820]

約数ペア:

[(1, 2145820), (2, 1072910), (4, 536455), (5, 429164), (10, 214582), (20, 107291), (31, 69220), (62, 34610), (124, 17305), (155, 13844), (310, 6922), (620, 3461)]