8170720

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 19474560

約数和(自身を除く): 11303840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 229, 446, 458, 892, 916, 1115, 1145, 1784, 1832, 2230, 2290, 3568, 3664, 4460, 4580, 7136, 7328, 8920, 9160, 17840, 18320, 35680, 36640, 51067, 102134, 204268, 255335, 408536, 510670, 817072, 1021340, 1634144, 2042680, 4085360, 8170720]

約数ペア:

[(1, 8170720), (2, 4085360), (4, 2042680), (5, 1634144), (8, 1021340), (10, 817072), (16, 510670), (20, 408536), (32, 255335), (40, 204268), (80, 102134), (160, 51067), (223, 36640), (229, 35680), (446, 18320), (458, 17840), (892, 9160), (916, 8920), (1115, 7328), (1145, 7136), (1784, 4580), (1832, 4460), (2230, 3664), (2290, 3568)]