81006320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27367}}^1$

素因数の和:27417

約数の個数: 40

約数和(自身を含む): 193437024

約数和(自身を除く): 112430704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 27367, 54734, 109468, 136835, 218936, 273670, 437872, 547340, 1012579, 1094680, 2025158, 2189360, 4050316, 5062895, 8100632, 10125790, 16201264, 20251580, 40503160, 81006320]

約数ペア:

[(1, 81006320), (2, 40503160), (4, 20251580), (5, 16201264), (8, 10125790), (10, 8100632), (16, 5062895), (20, 4050316), (37, 2189360), (40, 2025158), (74, 1094680), (80, 1012579), (148, 547340), (185, 437872), (296, 273670), (370, 218936), (592, 136835), (740, 109468), (1480, 54734), (2960, 27367)]