201559640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{49891}}^1$

素因数の和:50003

約数の個数: 32

約数和(自身を含む): 458008560

約数和(自身を除く): 256448920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 49891, 99782, 199564, 249455, 399128, 498910, 997820, 1995640, 5038991, 10077982, 20155964, 25194955, 40311928, 50389910, 100779820, 201559640]

約数ペア:

[(1, 201559640), (2, 100779820), (4, 50389910), (5, 40311928), (8, 25194955), (10, 20155964), (20, 10077982), (40, 5038991), (101, 1995640), (202, 997820), (404, 498910), (505, 399128), (808, 249455), (1010, 199564), (2020, 99782), (4040, 49891)]