63535880

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4001}}^1$

素因数の和:4409

約数の個数: 32

約数和(自身を含む): 143351640

約数和(自身を除く): 79815760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 4001, 7940, 8002, 15880, 16004, 20005, 32008, 40010, 80020, 160040, 1588397, 3176794, 6353588, 7941985, 12707176, 15883970, 31767940, 63535880]

約数ペア:

[(1, 63535880), (2, 31767940), (4, 15883970), (5, 12707176), (8, 7941985), (10, 6353588), (20, 3176794), (40, 1588397), (397, 160040), (794, 80020), (1588, 40010), (1985, 32008), (3176, 20005), (3970, 16004), (4001, 15880), (7940, 8002)]