12563240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3529}}^1$

素因数の和:3629

約数の個数: 32

約数和(自身を含む): 28593000

約数和(自身を除く): 16029760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3529, 3560, 7058, 14116, 17645, 28232, 35290, 70580, 141160, 314081, 628162, 1256324, 1570405, 2512648, 3140810, 6281620, 12563240]

約数ペア:

[(1, 12563240), (2, 6281620), (4, 3140810), (5, 2512648), (8, 1570405), (10, 1256324), (20, 628162), (40, 314081), (89, 141160), (178, 70580), (356, 35290), (445, 28232), (712, 17645), (890, 14116), (1780, 7058), (3529, 3560)]