28319260

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7823}}^1$

素因数の和:8013

約数の個数: 24

約数和(自身を含む): 59806656

約数和(自身を除く): 31487396

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 7823, 15646, 31292, 39115, 78230, 156460, 1415963, 2831926, 5663852, 7079815, 14159630, 28319260]

約数ペア:

[(1, 28319260), (2, 14159630), (4, 7079815), (5, 5663852), (10, 2831926), (20, 1415963), (181, 156460), (362, 78230), (724, 39115), (905, 31292), (1810, 15646), (3620, 7823)]