8461100

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:626

約数の個数: 36

約数和(自身を含む): 18493608

約数和(自身を除く): 10032508

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 401, 422, 802, 844, 1055, 1604, 2005, 2110, 4010, 4220, 5275, 8020, 10025, 10550, 20050, 21100, 40100, 84611, 169222, 338444, 423055, 846110, 1692220, 2115275, 4230550, 8461100]

約数ペア:

[(1, 8461100), (2, 4230550), (4, 2115275), (5, 1692220), (10, 846110), (20, 423055), (25, 338444), (50, 169222), (100, 84611), (211, 40100), (401, 21100), (422, 20050), (802, 10550), (844, 10025), (1055, 8020), (1604, 5275), (2005, 4220), (2110, 4010)]