87020200

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{1693}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 203229180

約数和(自身を除く): 116208980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 514, 1028, 1285, 1693, 2056, 2570, 3386, 5140, 6425, 6772, 8465, 10280, 12850, 13544, 16930, 25700, 33860, 42325, 51400, 67720, 84650, 169300, 338600, 435101, 870202, 1740404, 2175505, 3480808, 4351010, 8702020, 10877525, 17404040, 21755050, 43510100, 87020200]

約数ペア:

[(1, 87020200), (2, 43510100), (4, 21755050), (5, 17404040), (8, 10877525), (10, 8702020), (20, 4351010), (25, 3480808), (40, 2175505), (50, 1740404), (100, 870202), (200, 435101), (257, 338600), (514, 169300), (1028, 84650), (1285, 67720), (1693, 51400), (2056, 42325), (2570, 33860), (3386, 25700), (5140, 16930), (6425, 13544), (6772, 12850), (8465, 10280)]