201580280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19919}}^1$

素因数の和:19964

約数の個数: 64

約数和(自身を含む): 516326400

約数和(自身を除く): 314746120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 19919, 39838, 79676, 99595, 159352, 199190, 219109, 398380, 438218, 458137, 796760, 876436, 916274, 1095545, 1752872, 1832548, 2191090, 2290685, 3665096, 4382180, 4581370, 5039507, 8764360, 9162740, 10079014, 18325480, 20158028, 25197535, 40316056, 50395070, 100790140, 201580280]

約数ペア:

[(1, 201580280), (2, 100790140), (4, 50395070), (5, 40316056), (8, 25197535), (10, 20158028), (11, 18325480), (20, 10079014), (22, 9162740), (23, 8764360), (40, 5039507), (44, 4581370), (46, 4382180), (55, 3665096), (88, 2290685), (92, 2191090), (110, 1832548), (115, 1752872), (184, 1095545), (220, 916274), (230, 876436), (253, 796760), (440, 458137), (460, 438218), (506, 398380), (920, 219109), (1012, 199190), (1265, 159352), (2024, 99595), (2530, 79676), (5060, 39838), (10120, 19919)]