20142500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1151}}^1$

素因数の和:1182

約数の個数: 60

約数和(自身を含む): 50383872

約数和(自身を除く): 30241372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1151, 1250, 1750, 2302, 2500, 3500, 4375, 4604, 5755, 8057, 8750, 11510, 16114, 17500, 23020, 28775, 32228, 40285, 57550, 80570, 115100, 143875, 161140, 201425, 287750, 402850, 575500, 719375, 805700, 1007125, 1438750, 2014250, 2877500, 4028500, 5035625, 10071250, 20142500]

約数ペア:

[(1, 20142500), (2, 10071250), (4, 5035625), (5, 4028500), (7, 2877500), (10, 2014250), (14, 1438750), (20, 1007125), (25, 805700), (28, 719375), (35, 575500), (50, 402850), (70, 287750), (100, 201425), (125, 161140), (140, 143875), (175, 115100), (250, 80570), (350, 57550), (500, 40285), (625, 32228), (700, 28775), (875, 23020), (1151, 17500), (1250, 16114), (1750, 11510), (2302, 8750), (2500, 8057), (3500, 5755), (4375, 4604)]