201351380

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{10159}}^1$

素因数の和:11159

約数の個数: 24

約数和(自身を含む): 423306240

約数和(自身を除く): 221954860

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 10159, 19820, 20318, 40636, 50795, 101590, 203180, 10067569, 20135138, 40270276, 50337845, 100675690, 201351380]

約数ペア:

[(1, 201351380), (2, 100675690), (4, 50337845), (5, 40270276), (10, 20135138), (20, 10067569), (991, 203180), (1982, 101590), (3964, 50795), (4955, 40636), (9910, 20318), (10159, 19820)]