56195420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{68531}}^1$

素因数の和:68581

約数の個数: 24

約数和(自身を含む): 120890448

約数和(自身を除く): 64695028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 68531, 137062, 274124, 342655, 685310, 1370620, 2809771, 5619542, 11239084, 14048855, 28097710, 56195420]

約数ペア:

[(1, 56195420), (2, 28097710), (4, 14048855), (5, 11239084), (10, 5619542), (20, 2809771), (41, 1370620), (82, 685310), (164, 342655), (205, 274124), (410, 137062), (820, 68531)]