86125420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{105031}}^1$

素因数の和:105081

約数の個数: 24

約数和(自身を含む): 185276448

約数和(自身を除く): 99151028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 105031, 210062, 420124, 525155, 1050310, 2100620, 4306271, 8612542, 17225084, 21531355, 43062710, 86125420]

約数ペア:

[(1, 86125420), (2, 43062710), (4, 21531355), (5, 17225084), (10, 8612542), (20, 4306271), (41, 2100620), (82, 1050310), (164, 525155), (205, 420124), (410, 210062), (820, 105031)]