56605420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{69031}}^1$

素因数の和:69081

約数の個数: 24

約数和(自身を含む): 121772448

約数和(自身を除く): 65167028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 69031, 138062, 276124, 345155, 690310, 1380620, 2830271, 5660542, 11321084, 14151355, 28302710, 56605420]

約数ペア:

[(1, 56605420), (2, 28302710), (4, 14151355), (5, 11321084), (10, 5660542), (20, 2830271), (41, 1380620), (82, 690310), (164, 345155), (205, 276124), (410, 138062), (820, 69031)]