80139500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{3271}}^1$

素因数の和:3304

約数の個数: 72

約数和(自身を含む): 203662368

約数和(自身を除く): 123522868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3271, 3500, 4900, 6125, 6542, 12250, 13084, 16355, 22897, 24500, 32710, 45794, 65420, 81775, 91588, 114485, 160279, 163550, 228970, 320558, 327100, 408875, 457940, 572425, 641116, 801395, 817750, 1144850, 1602790, 1635500, 2289700, 2862125, 3205580, 4006975, 5724250, 8013950, 11448500, 16027900, 20034875, 40069750, 80139500]

約数ペア:

[(1, 80139500), (2, 40069750), (4, 20034875), (5, 16027900), (7, 11448500), (10, 8013950), (14, 5724250), (20, 4006975), (25, 3205580), (28, 2862125), (35, 2289700), (49, 1635500), (50, 1602790), (70, 1144850), (98, 817750), (100, 801395), (125, 641116), (140, 572425), (175, 457940), (196, 408875), (245, 327100), (250, 320558), (350, 228970), (490, 163550), (500, 160279), (700, 114485), (875, 91588), (980, 81775), (1225, 65420), (1750, 45794), (2450, 32710), (3271, 24500), (3500, 22897), (4900, 16355), (6125, 13084), (6542, 12250)]