80446940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574621}}^1$

素因数の和:574637

約数の個数: 24

約数和(自身を含む): 193072992

約数和(自身を除く): 112626052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574621, 1149242, 2298484, 2873105, 4022347, 5746210, 8044694, 11492420, 16089388, 20111735, 40223470, 80446940]

約数ペア:

[(1, 80446940), (2, 40223470), (4, 20111735), (5, 16089388), (7, 11492420), (10, 8044694), (14, 5746210), (20, 4022347), (28, 2873105), (35, 2298484), (70, 1149242), (140, 574621)]