87873320

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19441}}^1$

素因数の和:19565

約数の個数: 32

約数和(自身を含む): 199474920

約数和(自身を除く): 111601600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 19441, 38882, 77764, 97205, 155528, 194410, 388820, 777640, 2196833, 4393666, 8787332, 10984165, 17574664, 21968330, 43936660, 87873320]

約数ペア:

[(1, 87873320), (2, 43936660), (4, 21968330), (5, 17574664), (8, 10984165), (10, 8787332), (20, 4393666), (40, 2196833), (113, 777640), (226, 388820), (452, 194410), (565, 155528), (904, 97205), (1130, 77764), (2260, 38882), (4520, 19441)]