8240980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 19305216

約数和(自身を除く): 11064236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 797, 940, 1034, 1594, 2068, 2585, 3188, 3985, 5170, 7970, 8767, 10340, 15940, 17534, 35068, 37459, 43835, 74918, 87670, 149836, 175340, 187295, 374590, 412049, 749180, 824098, 1648196, 2060245, 4120490, 8240980]

約数ペア:

[(1, 8240980), (2, 4120490), (4, 2060245), (5, 1648196), (10, 824098), (11, 749180), (20, 412049), (22, 374590), (44, 187295), (47, 175340), (55, 149836), (94, 87670), (110, 74918), (188, 43835), (220, 37459), (235, 35068), (470, 17534), (517, 15940), (797, 10340), (940, 8767), (1034, 7970), (1594, 5170), (2068, 3985), (2585, 3188)]