388173680

素因数分解:

$2^4\times 5^1\times {\mathrm{4852171}}^1$

素因数の和:4852184

約数の個数: 20

約数和(自身を含む): 902503992

約数和(自身を除く): 514330312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4852171, 9704342, 19408684, 24260855, 38817368, 48521710, 77634736, 97043420, 194086840, 388173680]

約数ペア:

[(1, 388173680), (2, 194086840), (4, 97043420), (5, 77634736), (8, 48521710), (10, 38817368), (16, 24260855), (20, 19408684), (40, 9704342), (80, 4852171)]