87672040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21701}}^1$

素因数の和:21813

約数の個数: 32

約数和(自身を含む): 199224360

約数和(自身を除く): 111552320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 21701, 43402, 86804, 108505, 173608, 217010, 434020, 868040, 2191801, 4383602, 8767204, 10959005, 17534408, 21918010, 43836020, 87672040]

約数ペア:

[(1, 87672040), (2, 43836020), (4, 21918010), (5, 17534408), (8, 10959005), (10, 8767204), (20, 4383602), (40, 2191801), (101, 868040), (202, 434020), (404, 217010), (505, 173608), (808, 108505), (1010, 86804), (2020, 43402), (4040, 21701)]