201980922610

素因数分解:

$2^1\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{5048261}}^1$

素因数の和:5052269

約数の個数: 16

約数和(自身を含む): 363656601432

約数和(自身を除く): 161675678822

約数列:

[1, 2, 5, 10, 4001, 8002, 20005, 40010, 5048261, 10096522, 25241305, 50482610, 20198092261, 40396184522, 100990461305, 201980922610]

約数ペア:

[(1, 201980922610), (2, 100990461305), (5, 40396184522), (10, 20198092261), (4001, 50482610), (8002, 25241305), (20005, 10096522), (40010, 5048261)]