25474817840

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1600177}}^1$

素因数の和:1600389

約数の個数: 40

約数和(自身を含む): 59526621600

約数和(自身を除く): 34051803760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 1600177, 3200354, 6400708, 8000885, 12801416, 16001770, 25602832, 32003540, 64007080, 128014160, 318435223, 636870446, 1273740892, 1592176115, 2547481784, 3184352230, 5094963568, 6368704460, 12737408920, 25474817840]

約数ペア:

[(1, 25474817840), (2, 12737408920), (4, 6368704460), (5, 5094963568), (8, 3184352230), (10, 2547481784), (16, 1592176115), (20, 1273740892), (40, 636870446), (80, 318435223), (199, 128014160), (398, 64007080), (796, 32003540), (995, 25602832), (1592, 16001770), (1990, 12801416), (3184, 8000885), (3980, 6400708), (7960, 3200354), (15920, 1600177)]