9998875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{1951}}^1$

素因数の和:2007

約数の個数: 16

約数和(自身を含む): 12789504

約数和(自身を除く): 2790629

約数列:

[1, 5, 25, 41, 125, 205, 1025, 1951, 5125, 9755, 48775, 79991, 243875, 399955, 1999775, 9998875]

約数ペア:

[(1, 9998875), (5, 1999775), (25, 399955), (41, 243875), (125, 79991), (205, 48775), (1025, 9755), (1951, 5125)]