91187440

素因数分解:

$2^4\times 5^1\times {\mathrm{1139843}}^1$

素因数の和:1139856

約数の個数: 20

約数和(自身を含む): 212010984

約数和(自身を除く): 120823544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1139843, 2279686, 4559372, 5699215, 9118744, 11398430, 18237488, 22796860, 45593720, 91187440]

約数ペア:

[(1, 91187440), (2, 45593720), (4, 22796860), (5, 18237488), (8, 11398430), (10, 9118744), (16, 5699215), (20, 4559372), (40, 2279686), (80, 1139843)]