85990325

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1951}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 111826176

約数和(自身を除く): 25835851

約数列:

[1, 5, 25, 41, 43, 205, 215, 1025, 1075, 1763, 1951, 8815, 9755, 44075, 48775, 79991, 83893, 399955, 419465, 1999775, 2097325, 3439613, 17198065, 85990325]

約数ペア:

[(1, 85990325), (5, 17198065), (25, 3439613), (41, 2097325), (43, 1999775), (205, 419465), (215, 399955), (1025, 83893), (1075, 79991), (1763, 48775), (1951, 44075), (8815, 9755)]