13881080

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2129}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 31438800

約数和(自身を除く): 17557720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2129, 3260, 4258, 6520, 8516, 10645, 17032, 21290, 42580, 85160, 347027, 694054, 1388108, 1735135, 2776216, 3470270, 6940540, 13881080]

約数ペア:

[(1, 13881080), (2, 6940540), (4, 3470270), (5, 2776216), (8, 1735135), (10, 1388108), (20, 694054), (40, 347027), (163, 85160), (326, 42580), (652, 21290), (815, 17032), (1304, 10645), (1630, 8516), (2129, 6520), (3260, 4258)]