28312580360

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1009}}^1\times {\mathrm{3919}}^1$

素因数の和:5118

約数の個数: 64

約数和(自身を含む): 64139040000

約数和(自身を除く): 35826459640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1009, 1432, 1790, 2018, 3580, 3919, 4036, 5045, 7160, 7838, 8072, 10090, 15676, 19595, 20180, 31352, 39190, 40360, 78380, 156760, 180611, 361222, 701501, 722444, 903055, 1403002, 1444888, 1806110, 2806004, 3507505, 3612220, 3954271, 5612008, 7015010, 7224440, 7908542, 14030020, 15817084, 19771355, 28060040, 31634168, 39542710, 79085420, 158170840, 707814509, 1415629018, 2831258036, 3539072545, 5662516072, 7078145090, 14156290180, 28312580360]

約数ペア:

[(1, 28312580360), (2, 14156290180), (4, 7078145090), (5, 5662516072), (8, 3539072545), (10, 2831258036), (20, 1415629018), (40, 707814509), (179, 158170840), (358, 79085420), (716, 39542710), (895, 31634168), (1009, 28060040), (1432, 19771355), (1790, 15817084), (2018, 14030020), (3580, 7908542), (3919, 7224440), (4036, 7015010), (5045, 5612008), (7160, 3954271), (7838, 3612220), (8072, 3507505), (10090, 2806004), (15676, 1806110), (19595, 1444888), (20180, 1403002), (31352, 903055), (39190, 722444), (40360, 701501), (78380, 361222), (156760, 180611)]