28221950

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1451}}^1$

素因数の和:1852

約数の個数: 24

約数和(自身を含む): 52664040

約数和(自身を除く): 24442090

約数列:

[1, 2, 5, 10, 25, 50, 389, 778, 1451, 1945, 2902, 3890, 7255, 9725, 14510, 19450, 36275, 72550, 564439, 1128878, 2822195, 5644390, 14110975, 28221950]

約数ペア:

[(1, 28221950), (2, 14110975), (5, 5644390), (10, 2822195), (25, 1128878), (50, 564439), (389, 72550), (778, 36275), (1451, 19450), (1945, 14510), (2902, 9725), (3890, 7255)]