210018440

素因数分解:

$2^3\times 5^1\times {\mathrm{5250461}}^1$

素因数の和:5250472

約数の個数: 16

約数和(自身を含む): 472541580

約数和(自身を除く): 262523140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5250461, 10500922, 21001844, 26252305, 42003688, 52504610, 105009220, 210018440]

約数ペア:

[(1, 210018440), (2, 105009220), (4, 52504610), (5, 42003688), (8, 26252305), (10, 21001844), (20, 10500922), (40, 5250461)]