28577800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3323}}^1$

素因数の和:3382

約数の個数: 48

約数和(自身を含む): 68009040

約数和(自身を除く): 39431240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 3323, 4300, 6646, 8600, 13292, 16615, 26584, 33230, 66460, 83075, 132920, 142889, 166150, 285778, 332300, 571556, 664600, 714445, 1143112, 1428890, 2857780, 3572225, 5715560, 7144450, 14288900, 28577800]

約数ペア:

[(1, 28577800), (2, 14288900), (4, 7144450), (5, 5715560), (8, 3572225), (10, 2857780), (20, 1428890), (25, 1143112), (40, 714445), (43, 664600), (50, 571556), (86, 332300), (100, 285778), (172, 166150), (200, 142889), (215, 132920), (344, 83075), (430, 66460), (860, 33230), (1075, 26584), (1720, 16615), (2150, 13292), (3323, 8600), (4300, 6646)]