2661250

素因数分解:

$2^1\times 5^4\times {\mathrm{2129}}^1$

素因数の和:2151

約数の個数: 20

約数和(自身を含む): 4990590

約数和(自身を除く): 2329340

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 2129, 4258, 10645, 21290, 53225, 106450, 266125, 532250, 1330625, 2661250]

約数ペア:

[(1, 2661250), (2, 1330625), (5, 532250), (10, 266125), (25, 106450), (50, 53225), (125, 21290), (250, 10645), (625, 4258), (1250, 2129)]