15707860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{112199}}^1$

素因数の和:112215

約数の個数: 24

約数和(自身を含む): 37699200

約数和(自身を除く): 21991340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 112199, 224398, 448796, 560995, 785393, 1121990, 1570786, 2243980, 3141572, 3926965, 7853930, 15707860]

約数ペア:

[(1, 15707860), (2, 7853930), (4, 3926965), (5, 3141572), (7, 2243980), (10, 1570786), (14, 1121990), (20, 785393), (28, 560995), (35, 448796), (70, 224398), (140, 112199)]