108581320

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6637}}^1$

素因数の和:7057

約数の個数: 32

約数和(自身を含む): 244942200

約数和(自身を除く): 136360880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 6637, 8180, 13274, 16360, 26548, 33185, 53096, 66370, 132740, 265480, 2714533, 5429066, 10858132, 13572665, 21716264, 27145330, 54290660, 108581320]

約数ペア:

[(1, 108581320), (2, 54290660), (4, 27145330), (5, 21716264), (8, 13572665), (10, 10858132), (20, 5429066), (40, 2714533), (409, 265480), (818, 132740), (1636, 66370), (2045, 53096), (3272, 33185), (4090, 26548), (6637, 16360), (8180, 13274)]