28055600

素因数分解:

$2^4\times 5^2\times {\mathrm{70139}}^1$

素因数の和:70157

約数の個数: 30

約数和(自身を含む): 67404540

約数和(自身を除く): 39348940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70139, 140278, 280556, 350695, 561112, 701390, 1122224, 1402780, 1753475, 2805560, 3506950, 5611120, 7013900, 14027800, 28055600]

約数ペア:

[(1, 28055600), (2, 14027800), (4, 7013900), (5, 5611120), (8, 3506950), (10, 2805560), (16, 1753475), (20, 1402780), (25, 1122224), (40, 701390), (50, 561112), (80, 350695), (100, 280556), (200, 140278), (400, 70139)]