1301380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2099}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 2822400

約数和(自身を除く): 1521020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2099, 4198, 8396, 10495, 20990, 41980, 65069, 130138, 260276, 325345, 650690, 1301380]

約数ペア:

[(1, 1301380), (2, 650690), (4, 325345), (5, 260276), (10, 130138), (20, 65069), (31, 41980), (62, 20990), (124, 10495), (155, 8396), (310, 4198), (620, 2099)]