25126480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3529}}^1$

素因数の和:3631

約数の個数: 40

約数和(自身を含む): 59092200

約数和(自身を除く): 33965720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3529, 3560, 7058, 7120, 14116, 17645, 28232, 35290, 56464, 70580, 141160, 282320, 314081, 628162, 1256324, 1570405, 2512648, 3140810, 5025296, 6281620, 12563240, 25126480]

約数ペア:

[(1, 25126480), (2, 12563240), (4, 6281620), (5, 5025296), (8, 3140810), (10, 2512648), (16, 1570405), (20, 1256324), (40, 628162), (80, 314081), (89, 282320), (178, 141160), (356, 70580), (445, 56464), (712, 35290), (890, 28232), (1424, 17645), (1780, 14116), (3529, 7120), (3560, 7058)]