80501240

素因数分解:

$2^3\times 5^1\times {\mathrm{2012531}}^1$

素因数の和:2012542

約数の個数: 16

約数和(自身を含む): 181127880

約数和(自身を除く): 100626640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2012531, 4025062, 8050124, 10062655, 16100248, 20125310, 40250620, 80501240]

約数ペア:

[(1, 80501240), (2, 40250620), (4, 20125310), (5, 16100248), (8, 10062655), (10, 8050124), (20, 4025062), (40, 2012531)]