208023320

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{23321}}^1$

素因数の和:23555

約数の個数: 32

約数和(自身を含む): 470171520

約数和(自身を除く): 262148200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 23321, 46642, 93284, 116605, 186568, 233210, 466420, 932840, 5200583, 10401166, 20802332, 26002915, 41604664, 52005830, 104011660, 208023320]

約数ペア:

[(1, 208023320), (2, 104011660), (4, 52005830), (5, 41604664), (8, 26002915), (10, 20802332), (20, 10401166), (40, 5200583), (223, 932840), (446, 466420), (892, 233210), (1115, 186568), (1784, 116605), (2230, 93284), (4460, 46642), (8920, 23321)]