2018011760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{413527}}^1$

素因数の和:413601

約数の個数: 40

約数和(自身を含む): 4768804896

約数和(自身を除く): 2750793136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 413527, 827054, 1654108, 2067635, 3308216, 4135270, 6616432, 8270540, 16541080, 25225147, 33082160, 50450294, 100900588, 126125735, 201801176, 252251470, 403602352, 504502940, 1009005880, 2018011760]

約数ペア:

[(1, 2018011760), (2, 1009005880), (4, 504502940), (5, 403602352), (8, 252251470), (10, 201801176), (16, 126125735), (20, 100900588), (40, 50450294), (61, 33082160), (80, 25225147), (122, 16541080), (244, 8270540), (305, 6616432), (488, 4135270), (610, 3308216), (976, 2067635), (1220, 1654108), (2440, 827054), (4880, 413527)]