131930020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{153407}}^1$

素因数の和:153459

約数の個数: 24

約数和(自身を含む): 283497984

約数和(自身を除く): 151567964

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 153407, 306814, 613628, 767035, 1534070, 3068140, 6596501, 13193002, 26386004, 32982505, 65965010, 131930020]

約数ペア:

[(1, 131930020), (2, 65965010), (4, 32982505), (5, 26386004), (10, 13193002), (20, 6596501), (43, 3068140), (86, 1534070), (172, 767035), (215, 613628), (430, 306814), (860, 153407)]