25890520

素因数分解:

$2^3\times 5^1\times {\mathrm{647263}}^1$

素因数の和:647274

約数の個数: 16

約数和(自身を含む): 58253760

約数和(自身を除く): 32363240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647263, 1294526, 2589052, 3236315, 5178104, 6472630, 12945260, 25890520]

約数ペア:

[(1, 25890520), (2, 12945260), (4, 6472630), (5, 5178104), (8, 3236315), (10, 2589052), (20, 1294526), (40, 647263)]