204560920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2053}}^1$

素因数の和:2164

約数の個数: 64

約数和(自身を含む): 479157120

約数和(自身を除く): 274596200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 940, 1060, 1880, 2053, 2120, 2491, 4106, 4982, 8212, 9964, 10265, 12455, 16424, 19928, 20530, 24910, 41060, 49820, 82120, 96491, 99640, 108809, 192982, 217618, 385964, 435236, 482455, 544045, 771928, 870472, 964910, 1088090, 1929820, 2176180, 3859640, 4352360, 5114023, 10228046, 20456092, 25570115, 40912184, 51140230, 102280460, 204560920]

約数ペア:

[(1, 204560920), (2, 102280460), (4, 51140230), (5, 40912184), (8, 25570115), (10, 20456092), (20, 10228046), (40, 5114023), (47, 4352360), (53, 3859640), (94, 2176180), (106, 1929820), (188, 1088090), (212, 964910), (235, 870472), (265, 771928), (376, 544045), (424, 482455), (470, 435236), (530, 385964), (940, 217618), (1060, 192982), (1880, 108809), (2053, 99640), (2120, 96491), (2491, 82120), (4106, 49820), (4982, 41060), (8212, 24910), (9964, 20530), (10265, 19928), (12455, 16424)]