126989360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14563}}^1$

素因数の和:14685

約数の個数: 40

約数和(自身を含む): 297979440

約数和(自身を除く): 170990080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 14563, 29126, 58252, 72815, 116504, 145630, 233008, 291260, 582520, 1165040, 1587367, 3174734, 6349468, 7936835, 12698936, 15873670, 25397872, 31747340, 63494680, 126989360]

約数ペア:

[(1, 126989360), (2, 63494680), (4, 31747340), (5, 25397872), (8, 15873670), (10, 12698936), (16, 7936835), (20, 6349468), (40, 3174734), (80, 1587367), (109, 1165040), (218, 582520), (436, 291260), (545, 233008), (872, 145630), (1090, 116504), (1744, 72815), (2180, 58252), (4360, 29126), (8720, 14563)]