91256840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{27487}}^1$

素因数の和:27581

約数の個数: 32

約数和(自身を含む): 207809280

約数和(自身を除く): 116552440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 27487, 54974, 109948, 137435, 219896, 274870, 549740, 1099480, 2281421, 4562842, 9125684, 11407105, 18251368, 22814210, 45628420, 91256840]

約数ペア:

[(1, 91256840), (2, 45628420), (4, 22814210), (5, 18251368), (8, 11407105), (10, 9125684), (20, 4562842), (40, 2281421), (83, 1099480), (166, 549740), (332, 274870), (415, 219896), (664, 137435), (830, 109948), (1660, 54974), (3320, 27487)]