80980600

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2579}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 189552600

約数和(自身を除く): 108572000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 1256, 1570, 2579, 3140, 3925, 5158, 6280, 7850, 10316, 12895, 15700, 20632, 25790, 31400, 51580, 64475, 103160, 128950, 257900, 404903, 515800, 809806, 1619612, 2024515, 3239224, 4049030, 8098060, 10122575, 16196120, 20245150, 40490300, 80980600]

約数ペア:

[(1, 80980600), (2, 40490300), (4, 20245150), (5, 16196120), (8, 10122575), (10, 8098060), (20, 4049030), (25, 3239224), (40, 2024515), (50, 1619612), (100, 809806), (157, 515800), (200, 404903), (314, 257900), (628, 128950), (785, 103160), (1256, 64475), (1570, 51580), (2579, 31400), (3140, 25790), (3925, 20632), (5158, 15700), (6280, 12895), (7850, 10316)]