12619760

素因数分解:

$2^4\times 5^1\times {\mathrm{157747}}^1$

素因数の和:157760

約数の個数: 20

約数和(自身を含む): 29341128

約数和(自身を除く): 16721368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157747, 315494, 630988, 788735, 1261976, 1577470, 2523952, 3154940, 6309880, 12619760]

約数ペア:

[(1, 12619760), (2, 6309880), (4, 3154940), (5, 2523952), (8, 1577470), (10, 1261976), (16, 788735), (20, 630988), (40, 315494), (80, 157747)]