15749980

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1153}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 33152112

約数和(自身を除く): 17402132

約数列:

[1, 2, 4, 5, 10, 20, 683, 1153, 1366, 2306, 2732, 3415, 4612, 5765, 6830, 11530, 13660, 23060, 787499, 1574998, 3149996, 3937495, 7874990, 15749980]

約数ペア:

[(1, 15749980), (2, 7874990), (4, 3937495), (5, 3149996), (10, 1574998), (20, 787499), (683, 23060), (1153, 13660), (1366, 11530), (2306, 6830), (2732, 5765), (3415, 4612)]