28171760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12143}}^1$

素因数の和:12185

約数の個数: 40

約数和(自身を含む): 67763520

約数和(自身を除く): 39591760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 12143, 24286, 48572, 60715, 97144, 121430, 194288, 242860, 352147, 485720, 704294, 971440, 1408588, 1760735, 2817176, 3521470, 5634352, 7042940, 14085880, 28171760]

約数ペア:

[(1, 28171760), (2, 14085880), (4, 7042940), (5, 5634352), (8, 3521470), (10, 2817176), (16, 1760735), (20, 1408588), (29, 971440), (40, 704294), (58, 485720), (80, 352147), (116, 242860), (145, 194288), (232, 121430), (290, 97144), (464, 60715), (580, 48572), (1160, 24286), (2320, 12143)]