204865480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{108971}}^1$

素因数の和:109029

約数の個数: 32

約数和(自身を含む): 470759040

約数和(自身を除く): 265893560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 108971, 217942, 435884, 544855, 871768, 1089710, 2179420, 4358840, 5121637, 10243274, 20486548, 25608185, 40973096, 51216370, 102432740, 204865480]

約数ペア:

[(1, 204865480), (2, 102432740), (4, 51216370), (5, 40973096), (8, 25608185), (10, 20486548), (20, 10243274), (40, 5121637), (47, 4358840), (94, 2179420), (188, 1089710), (235, 871768), (376, 544855), (470, 435884), (940, 217942), (1880, 108971)]