15727760

素因数分解:

$2^4\times 5^1\times {\mathrm{196597}}^1$

素因数の和:196610

約数の個数: 20

約数和(自身を含む): 36567228

約数和(自身を除く): 20839468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196597, 393194, 786388, 982985, 1572776, 1965970, 3145552, 3931940, 7863880, 15727760]

約数ペア:

[(1, 15727760), (2, 7863880), (4, 3931940), (5, 3145552), (8, 1965970), (10, 1572776), (16, 982985), (20, 786388), (40, 393194), (80, 196597)]