1999775

素因数分解:

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

素因数の和:2002

約数の個数: 12

約数和(自身を含む): 2541504

約数和(自身を除く): 541729

約数列:

[1, 5, 25, 41, 205, 1025, 1951, 9755, 48775, 79991, 399955, 1999775]

約数ペア:

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