49908920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11447}}^1$

素因数の和:11567

約数の個数: 32

約数和(自身を含む): 113335200

約数和(自身を除く): 63426280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 11447, 22894, 45788, 57235, 91576, 114470, 228940, 457880, 1247723, 2495446, 4990892, 6238615, 9981784, 12477230, 24954460, 49908920]

約数ペア:

[(1, 49908920), (2, 24954460), (4, 12477230), (5, 9981784), (8, 6238615), (10, 4990892), (20, 2495446), (40, 1247723), (109, 457880), (218, 228940), (436, 114470), (545, 91576), (872, 57235), (1090, 45788), (2180, 22894), (4360, 11447)]