8012980

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{769}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 16881480

約数和(自身を除く): 8868500

約数列:

[1, 2, 4, 5, 10, 20, 521, 769, 1042, 1538, 2084, 2605, 3076, 3845, 5210, 7690, 10420, 15380, 400649, 801298, 1602596, 2003245, 4006490, 8012980]

約数ペア:

[(1, 8012980), (2, 4006490), (4, 2003245), (5, 1602596), (10, 801298), (20, 400649), (521, 15380), (769, 10420), (1042, 7690), (1538, 5210), (2084, 3845), (2605, 3076)]