91396240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87881}}^1$

素因数の和:87907

約数の個数: 40

約数和(自身を含む): 228844728

約数和(自身を除く): 137448488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 87881, 175762, 351524, 439405, 703048, 878810, 1142453, 1406096, 1757620, 2284906, 3515240, 4569812, 5712265, 7030480, 9139624, 11424530, 18279248, 22849060, 45698120, 91396240]

約数ペア:

[(1, 91396240), (2, 45698120), (4, 22849060), (5, 18279248), (8, 11424530), (10, 9139624), (13, 7030480), (16, 5712265), (20, 4569812), (26, 3515240), (40, 2284906), (52, 1757620), (65, 1406096), (80, 1142453), (104, 878810), (130, 703048), (208, 439405), (260, 351524), (520, 175762), (1040, 87881)]