90446560

素因数分解:

$2^5\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1259}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 214326000

約数和(自身を除く): 123879440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 449, 898, 1259, 1796, 2245, 2518, 3592, 4490, 5036, 6295, 7184, 8980, 10072, 12590, 14368, 17960, 20144, 25180, 35920, 40288, 50360, 71840, 100720, 201440, 565291, 1130582, 2261164, 2826455, 4522328, 5652910, 9044656, 11305820, 18089312, 22611640, 45223280, 90446560]

約数ペア:

[(1, 90446560), (2, 45223280), (4, 22611640), (5, 18089312), (8, 11305820), (10, 9044656), (16, 5652910), (20, 4522328), (32, 2826455), (40, 2261164), (80, 1130582), (160, 565291), (449, 201440), (898, 100720), (1259, 71840), (1796, 50360), (2245, 40288), (2518, 35920), (3592, 25180), (4490, 20144), (5036, 17960), (6295, 14368), (7184, 12590), (8980, 10072)]