1655727760

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{104003}}^1$

素因数の和:104215

約数の個数: 40

約数和(自身を含む): 3868948800

約数和(自身を除く): 2213221040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 104003, 208006, 416012, 520015, 832024, 1040030, 1664048, 2080060, 4160120, 8320240, 20696597, 41393194, 82786388, 103482985, 165572776, 206965970, 331145552, 413931940, 827863880, 1655727760]

約数ペア:

[(1, 1655727760), (2, 827863880), (4, 413931940), (5, 331145552), (8, 206965970), (10, 165572776), (16, 103482985), (20, 82786388), (40, 41393194), (80, 20696597), (199, 8320240), (398, 4160120), (796, 2080060), (995, 1664048), (1592, 1040030), (1990, 832024), (3184, 520015), (3980, 416012), (7960, 208006), (15920, 104003)]