158786620

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{7159}}^1$

素因数の和:8277

約数の個数: 24

約数和(自身を含む): 333799200

約数和(自身を除く): 175012580

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4436, 5545, 7159, 11090, 14318, 22180, 28636, 35795, 71590, 143180, 7939331, 15878662, 31757324, 39696655, 79393310, 158786620]

約数ペア:

[(1, 158786620), (2, 79393310), (4, 39696655), (5, 31757324), (10, 15878662), (20, 7939331), (1109, 143180), (2218, 71590), (4436, 35795), (5545, 28636), (7159, 22180), (11090, 14318)]