3998045751760

素因数分解:

$2^4\times 5^1\times {\mathrm{49975571897}}^1$

素因数の和:49975571910

約数の個数: 20

約数和(自身を含む): 9295456373028

約数和(自身を除く): 5297410621268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49975571897, 99951143794, 199902287588, 249877859485, 399804575176, 499755718970, 799609150352, 999511437940, 1999022875880, 3998045751760]

約数ペア:

[(1, 3998045751760), (2, 1999022875880), (4, 999511437940), (5, 799609150352), (8, 499755718970), (10, 399804575176), (16, 249877859485), (20, 199902287588), (40, 99951143794), (80, 49975571897)]