81076880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21563}}^1$

素因数の和:21623

約数の個数: 40

約数和(自身を含む): 192523392

約数和(自身を除く): 111446512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 21563, 43126, 86252, 107815, 172504, 215630, 345008, 431260, 862520, 1013461, 1725040, 2026922, 4053844, 5067305, 8107688, 10134610, 16215376, 20269220, 40538440, 81076880]

約数ペア:

[(1, 81076880), (2, 40538440), (4, 20269220), (5, 16215376), (8, 10134610), (10, 8107688), (16, 5067305), (20, 4053844), (40, 2026922), (47, 1725040), (80, 1013461), (94, 862520), (188, 431260), (235, 345008), (376, 215630), (470, 172504), (752, 107815), (940, 86252), (1880, 43126), (3760, 21563)]