12207980

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1069}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 25705680

約数和(自身を除く): 13497700

約数列:

[1, 2, 4, 5, 10, 20, 571, 1069, 1142, 2138, 2284, 2855, 4276, 5345, 5710, 10690, 11420, 21380, 610399, 1220798, 2441596, 3051995, 6103990, 12207980]

約数ペア:

[(1, 12207980), (2, 6103990), (4, 3051995), (5, 2441596), (10, 1220798), (20, 610399), (571, 21380), (1069, 11420), (1142, 10690), (2138, 5710), (2284, 5345), (2855, 4276)]