79810520

素因数分解:

$2^3\times 5^1\times {\mathrm{1995263}}^1$

素因数の和:1995274

約数の個数: 16

約数和(自身を含む): 179573760

約数和(自身を除く): 99763240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1995263, 3990526, 7981052, 9976315, 15962104, 19952630, 39905260, 79810520]

約数ペア:

[(1, 79810520), (2, 39905260), (4, 19952630), (5, 15962104), (8, 9976315), (10, 7981052), (20, 3990526), (40, 1995263)]