2920921480

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{169427}}^1$

素因数の和:169869

約数の個数: 32

約数和(自身を含む): 6587360640

約数和(自身を除く): 3666439160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 17240, 169427, 338854, 677708, 847135, 1355416, 1694270, 3388540, 6777080, 73023037, 146046074, 292092148, 365115185, 584184296, 730230370, 1460460740, 2920921480]

約数ペア:

[(1, 2920921480), (2, 1460460740), (4, 730230370), (5, 584184296), (8, 365115185), (10, 292092148), (20, 146046074), (40, 73023037), (431, 6777080), (862, 3388540), (1724, 1694270), (2155, 1355416), (3448, 847135), (4310, 677708), (8620, 338854), (17240, 169427)]