28266200

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 66588000

約数和(自身を除く): 38321800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1789, 1975, 3160, 3578, 3950, 7156, 7900, 8945, 14312, 15800, 17890, 35780, 44725, 71560, 89450, 141331, 178900, 282662, 357800, 565324, 706655, 1130648, 1413310, 2826620, 3533275, 5653240, 7066550, 14133100, 28266200]

約数ペア:

[(1, 28266200), (2, 14133100), (4, 7066550), (5, 5653240), (8, 3533275), (10, 2826620), (20, 1413310), (25, 1130648), (40, 706655), (50, 565324), (79, 357800), (100, 282662), (158, 178900), (200, 141331), (316, 89450), (395, 71560), (632, 44725), (790, 35780), (1580, 17890), (1789, 15800), (1975, 14312), (3160, 8945), (3578, 7900), (3950, 7156)]