90690815

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{523}}^1$

素因数の和:1046

約数の個数: 16

約数和(自身を含む): 110668800

約数和(自身を除く): 19977985

約数列:

[1, 5, 79, 395, 439, 523, 2195, 2615, 34681, 41317, 173405, 206585, 229597, 1147985, 18138163, 90690815]

約数ペア:

[(1, 90690815), (5, 18138163), (79, 1147985), (395, 229597), (439, 206585), (523, 173405), (2195, 41317), (2615, 34681)]