2109249080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1121941}}^1$

素因数の和:1121999

約数の個数: 32

約数和(自身を含む): 4846789440

約数和(自身を除く): 2737540360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 1121941, 2243882, 4487764, 5609705, 8975528, 11219410, 22438820, 44877640, 52731227, 105462454, 210924908, 263656135, 421849816, 527312270, 1054624540, 2109249080]

約数ペア:

[(1, 2109249080), (2, 1054624540), (4, 527312270), (5, 421849816), (8, 263656135), (10, 210924908), (20, 105462454), (40, 52731227), (47, 44877640), (94, 22438820), (188, 11219410), (235, 8975528), (376, 5609705), (470, 4487764), (940, 2243882), (1880, 1121941)]