51590500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{7937}}^1$

素因数の和:7969

約数の個数: 48

約数和(自身を含む): 121356144

約数和(自身を除く): 69765644

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 7937, 15874, 31748, 39685, 79370, 103181, 158740, 198425, 206362, 396850, 412724, 515905, 793700, 992125, 1031810, 1984250, 2063620, 2579525, 3968500, 5159050, 10318100, 12897625, 25795250, 51590500]

約数ペア:

[(1, 51590500), (2, 25795250), (4, 12897625), (5, 10318100), (10, 5159050), (13, 3968500), (20, 2579525), (25, 2063620), (26, 1984250), (50, 1031810), (52, 992125), (65, 793700), (100, 515905), (125, 412724), (130, 396850), (250, 206362), (260, 198425), (325, 158740), (500, 103181), (650, 79370), (1300, 39685), (1625, 31748), (3250, 15874), (6500, 7937)]