47800

素因数分解:

$2^3\times 5^2\times {\mathrm{239}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 111600

約数和(自身を除く): 63800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 239, 478, 956, 1195, 1912, 2390, 4780, 5975, 9560, 11950, 23900, 47800]

約数ペア:

[(1, 47800), (2, 23900), (4, 11950), (5, 9560), (8, 5975), (10, 4780), (20, 2390), (25, 1912), (40, 1195), (50, 956), (100, 478), (200, 239)]