90139825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 116081856

約数和(自身を除く): 25942031

約数列:

[1, 5, 25, 43, 71, 215, 355, 1075, 1181, 1775, 3053, 5905, 15265, 29525, 50783, 76325, 83851, 253915, 419255, 1269575, 2096275, 3605593, 18027965, 90139825]

約数ペア:

[(1, 90139825), (5, 18027965), (25, 3605593), (43, 2096275), (71, 1269575), (215, 419255), (355, 253915), (1075, 83851), (1181, 76325), (1775, 50783), (3053, 29525), (5905, 15265)]