26656520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1358

約数の個数: 64

約数和(自身を含む): 66873600

約数和(自身を除く): 40217080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1289, 1880, 2068, 2578, 2585, 4136, 5156, 5170, 6445, 10312, 10340, 12890, 14179, 20680, 25780, 28358, 51560, 56716, 60583, 70895, 113432, 121166, 141790, 242332, 283580, 302915, 484664, 567160, 605830, 666413, 1211660, 1332826, 2423320, 2665652, 3332065, 5331304, 6664130, 13328260, 26656520]

約数ペア:

[(1, 26656520), (2, 13328260), (4, 6664130), (5, 5331304), (8, 3332065), (10, 2665652), (11, 2423320), (20, 1332826), (22, 1211660), (40, 666413), (44, 605830), (47, 567160), (55, 484664), (88, 302915), (94, 283580), (110, 242332), (188, 141790), (220, 121166), (235, 113432), (376, 70895), (440, 60583), (470, 56716), (517, 51560), (940, 28358), (1034, 25780), (1289, 20680), (1880, 14179), (2068, 12890), (2578, 10340), (2585, 10312), (4136, 6445), (5156, 5170)]