13398980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{95707}}^1$

素因数の和:95723

約数の個数: 24

約数和(自身を含む): 32157888

約数和(自身を除く): 18758908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 95707, 191414, 382828, 478535, 669949, 957070, 1339898, 1914140, 2679796, 3349745, 6699490, 13398980]

約数ペア:

[(1, 13398980), (2, 6699490), (4, 3349745), (5, 2679796), (7, 1914140), (10, 1339898), (14, 957070), (20, 669949), (28, 478535), (35, 382828), (70, 191414), (140, 95707)]