12522220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15271}}^1$

素因数の和:15321

約数の個数: 24

約数和(自身を含む): 26939808

約数和(自身を除く): 14417588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15271, 30542, 61084, 76355, 152710, 305420, 626111, 1252222, 2504444, 3130555, 6261110, 12522220]

約数ペア:

[(1, 12522220), (2, 6261110), (4, 3130555), (5, 2504444), (10, 1252222), (20, 626111), (41, 305420), (82, 152710), (164, 76355), (205, 61084), (410, 30542), (820, 15271)]