2621980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4229}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 5685120

約数和(自身を除く): 3063140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4229, 8458, 16916, 21145, 42290, 84580, 131099, 262198, 524396, 655495, 1310990, 2621980]

約数ペア:

[(1, 2621980), (2, 1310990), (4, 655495), (5, 524396), (10, 262198), (20, 131099), (31, 84580), (62, 42290), (124, 21145), (155, 16916), (310, 8458), (620, 4229)]