8209420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13241}}^1$

素因数の和:13281

約数の個数: 24

約数和(自身を含む): 17797248

約数和(自身を除く): 9587828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13241, 26482, 52964, 66205, 132410, 264820, 410471, 820942, 1641884, 2052355, 4104710, 8209420]

約数ペア:

[(1, 8209420), (2, 4104710), (4, 2052355), (5, 1641884), (10, 820942), (20, 410471), (31, 264820), (62, 132410), (124, 66205), (155, 52964), (310, 26482), (620, 13241)]