90707440

素因数分解:

$2^4\times 5^1\times {\mathrm{1133843}}^1$

素因数の和:1133856

約数の個数: 20

約数和(自身を含む): 210894984

約数和(自身を除く): 120187544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1133843, 2267686, 4535372, 5669215, 9070744, 11338430, 18141488, 22676860, 45353720, 90707440]

約数ペア:

[(1, 90707440), (2, 45353720), (4, 22676860), (5, 18141488), (8, 11338430), (10, 9070744), (16, 5669215), (20, 4535372), (40, 2267686), (80, 1133843)]