864363680

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{21523}}^1$

素因数の和:21789

約数の個数: 48

約数和(自身を含む): 2050290144

約数和(自身を除く): 1185926464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 8032, 10040, 20080, 21523, 40160, 43046, 86092, 107615, 172184, 215230, 344368, 430460, 688736, 860920, 1721840, 3443680, 5402273, 10804546, 21609092, 27011365, 43218184, 54022730, 86436368, 108045460, 172872736, 216090920, 432181840, 864363680]

約数ペア:

[(1, 864363680), (2, 432181840), (4, 216090920), (5, 172872736), (8, 108045460), (10, 86436368), (16, 54022730), (20, 43218184), (32, 27011365), (40, 21609092), (80, 10804546), (160, 5402273), (251, 3443680), (502, 1721840), (1004, 860920), (1255, 688736), (2008, 430460), (2510, 344368), (4016, 215230), (5020, 172184), (8032, 107615), (10040, 86092), (20080, 43046), (21523, 40160)]