8348020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 19027008

約数和(自身を除く): 10678988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 571, 731, 860, 1142, 1462, 2284, 2855, 2924, 3655, 5710, 7310, 9707, 11420, 14620, 19414, 24553, 38828, 48535, 49106, 97070, 98212, 122765, 194140, 245530, 417401, 491060, 834802, 1669604, 2087005, 4174010, 8348020]

約数ペア:

[(1, 8348020), (2, 4174010), (4, 2087005), (5, 1669604), (10, 834802), (17, 491060), (20, 417401), (34, 245530), (43, 194140), (68, 122765), (85, 98212), (86, 97070), (170, 49106), (172, 48535), (215, 38828), (340, 24553), (430, 19414), (571, 14620), (731, 11420), (860, 9707), (1142, 7310), (1462, 5710), (2284, 3655), (2855, 2924)]