139130120

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{30781}}^1$

素因数の和:30905

約数の個数: 32

約数和(自身を含む): 315823320

約数和(自身を除く): 176693200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 30781, 61562, 123124, 153905, 246248, 307810, 615620, 1231240, 3478253, 6956506, 13913012, 17391265, 27826024, 34782530, 69565060, 139130120]

約数ペア:

[(1, 139130120), (2, 69565060), (4, 34782530), (5, 27826024), (8, 17391265), (10, 13913012), (20, 6956506), (40, 3478253), (113, 1231240), (226, 615620), (452, 307810), (565, 246248), (904, 153905), (1130, 123124), (2260, 61562), (4520, 30781)]