83121320

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{3691}}^1$

素因数の和:4265

約数の個数: 32

約数和(自身を含む): 187405920

約数和(自身を除く): 104284600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 3691, 4504, 5630, 7382, 11260, 14764, 18455, 22520, 29528, 36910, 73820, 147640, 2078033, 4156066, 8312132, 10390165, 16624264, 20780330, 41560660, 83121320]

約数ペア:

[(1, 83121320), (2, 41560660), (4, 20780330), (5, 16624264), (8, 10390165), (10, 8312132), (20, 4156066), (40, 2078033), (563, 147640), (1126, 73820), (2252, 36910), (2815, 29528), (3691, 22520), (4504, 18455), (5630, 14764), (7382, 11260)]