25456240

素因数分解:

$2^4\times 5^1\times {\mathrm{318203}}^1$

素因数の和:318216

約数の個数: 20

約数和(自身を含む): 59185944

約数和(自身を除く): 33729704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 318203, 636406, 1272812, 1591015, 2545624, 3182030, 5091248, 6364060, 12728120, 25456240]

約数ペア:

[(1, 25456240), (2, 12728120), (4, 6364060), (5, 5091248), (8, 3182030), (10, 2545624), (16, 1591015), (20, 1272812), (40, 636406), (80, 318203)]