208518320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{55457}}^1$

素因数の和:55517

約数の個数: 40

約数和(自身を含む): 495129024

約数和(自身を除く): 286610704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 55457, 110914, 221828, 277285, 443656, 554570, 887312, 1109140, 2218280, 2606479, 4436560, 5212958, 10425916, 13032395, 20851832, 26064790, 41703664, 52129580, 104259160, 208518320]

約数ペア:

[(1, 208518320), (2, 104259160), (4, 52129580), (5, 41703664), (8, 26064790), (10, 20851832), (16, 13032395), (20, 10425916), (40, 5212958), (47, 4436560), (80, 2606479), (94, 2218280), (188, 1109140), (235, 887312), (376, 554570), (470, 443656), (752, 277285), (940, 221828), (1880, 110914), (3760, 55457)]