56931340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{18131}}^1$

素因数の和:18297

約数の個数: 24

約数和(自身を含む): 120323952

約数和(自身を除く): 63392612

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 18131, 36262, 72524, 90655, 181310, 362620, 2846567, 5693134, 11386268, 14232835, 28465670, 56931340]

約数ペア:

[(1, 56931340), (2, 28465670), (4, 14232835), (5, 11386268), (10, 5693134), (20, 2846567), (157, 362620), (314, 181310), (628, 90655), (785, 72524), (1570, 36262), (3140, 18131)]