22981580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12911}}^1$

素因数の和:13009

約数の個数: 24

約数和(自身を含む): 48807360

約数和(自身を除く): 25825780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12911, 25822, 51644, 64555, 129110, 258220, 1149079, 2298158, 4596316, 5745395, 11490790, 22981580]

約数ペア:

[(1, 22981580), (2, 11490790), (4, 5745395), (5, 4596316), (10, 2298158), (20, 1149079), (89, 258220), (178, 129110), (356, 64555), (445, 51644), (890, 25822), (1780, 12911)]