829677980

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{125329}}^1$

素因数の和:125669

約数の個数: 24

約数和(自身を含む): 1747601520

約数和(自身を除く): 917923540

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 125329, 250658, 501316, 626645, 1253290, 2506580, 41483899, 82967798, 165935596, 207419495, 414838990, 829677980]

約数ペア:

[(1, 829677980), (2, 414838990), (4, 207419495), (5, 165935596), (10, 82967798), (20, 41483899), (331, 2506580), (662, 1253290), (1324, 626645), (1655, 501316), (3310, 250658), (6620, 125329)]