99817840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11447}}^1$

素因数の和:11569

約数の個数: 40

約数和(自身を含む): 234226080

約数和(自身を除く): 134408240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 11447, 22894, 45788, 57235, 91576, 114470, 183152, 228940, 457880, 915760, 1247723, 2495446, 4990892, 6238615, 9981784, 12477230, 19963568, 24954460, 49908920, 99817840]

約数ペア:

[(1, 99817840), (2, 49908920), (4, 24954460), (5, 19963568), (8, 12477230), (10, 9981784), (16, 6238615), (20, 4990892), (40, 2495446), (80, 1247723), (109, 915760), (218, 457880), (436, 228940), (545, 183152), (872, 114470), (1090, 91576), (1744, 57235), (2180, 45788), (4360, 22894), (8720, 11447)]