68118020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 147987840

約数和(自身を除く): 79869820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 103, 172, 206, 215, 412, 430, 515, 769, 860, 1030, 1538, 2060, 3076, 3845, 4429, 7690, 8858, 15380, 17716, 22145, 33067, 44290, 66134, 79207, 88580, 132268, 158414, 165335, 316828, 330670, 396035, 661340, 792070, 1584140, 3405901, 6811802, 13623604, 17029505, 34059010, 68118020]

約数ペア:

[(1, 68118020), (2, 34059010), (4, 17029505), (5, 13623604), (10, 6811802), (20, 3405901), (43, 1584140), (86, 792070), (103, 661340), (172, 396035), (206, 330670), (215, 316828), (412, 165335), (430, 158414), (515, 132268), (769, 88580), (860, 79207), (1030, 66134), (1538, 44290), (2060, 33067), (3076, 22145), (3845, 17716), (4429, 15380), (7690, 8858)]