78890320

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2687}}^1$

素因数の和:3067

約数の個数: 40

約数和(自身を含む): 183988224

約数和(自身を除く): 105097904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1468, 1835, 2687, 2936, 3670, 5374, 5872, 7340, 10748, 13435, 14680, 21496, 26870, 29360, 42992, 53740, 107480, 214960, 986129, 1972258, 3944516, 4930645, 7889032, 9861290, 15778064, 19722580, 39445160, 78890320]

約数ペア:

[(1, 78890320), (2, 39445160), (4, 19722580), (5, 15778064), (8, 9861290), (10, 7889032), (16, 4930645), (20, 3944516), (40, 1972258), (80, 986129), (367, 214960), (734, 107480), (1468, 53740), (1835, 42992), (2687, 29360), (2936, 26870), (3670, 21496), (5374, 14680), (5872, 13435), (7340, 10748)]