28394000

素因数分解:

$2^4\times 5^3\times {\mathrm{14197}}^1$

素因数の和:14220

約数の個数: 40

約数和(自身を含む): 68661528

約数和(自身を除く): 40267528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 14197, 28394, 56788, 70985, 113576, 141970, 227152, 283940, 354925, 567880, 709850, 1135760, 1419700, 1774625, 2839400, 3549250, 5678800, 7098500, 14197000, 28394000]

約数ペア:

[(1, 28394000), (2, 14197000), (4, 7098500), (5, 5678800), (8, 3549250), (10, 2839400), (16, 1774625), (20, 1419700), (25, 1135760), (40, 709850), (50, 567880), (80, 354925), (100, 283940), (125, 227152), (200, 141970), (250, 113576), (400, 70985), (500, 56788), (1000, 28394), (2000, 14197)]