80550620

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{4421}}^1$

素因数の和:5341

約数の個数: 24

約数和(自身を含む): 169380288

約数和(自身を除く): 88829668

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4421, 4555, 8842, 9110, 17684, 18220, 22105, 44210, 88420, 4027531, 8055062, 16110124, 20137655, 40275310, 80550620]

約数ペア:

[(1, 80550620), (2, 40275310), (4, 20137655), (5, 16110124), (10, 8055062), (20, 4027531), (911, 88420), (1822, 44210), (3644, 22105), (4421, 18220), (4555, 17684), (8842, 9110)]