13328260

素因数分解:

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

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 31207680

約数和(自身を除く): 17879420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1289, 2068, 2578, 2585, 5156, 5170, 6445, 10340, 12890, 14179, 25780, 28358, 56716, 60583, 70895, 121166, 141790, 242332, 283580, 302915, 605830, 666413, 1211660, 1332826, 2665652, 3332065, 6664130, 13328260]

約数ペア:

[(1, 13328260), (2, 6664130), (4, 3332065), (5, 2665652), (10, 1332826), (11, 1211660), (20, 666413), (22, 605830), (44, 302915), (47, 283580), (55, 242332), (94, 141790), (110, 121166), (188, 70895), (220, 60583), (235, 56716), (470, 28358), (517, 25780), (940, 14179), (1034, 12890), (1289, 10340), (2068, 6445), (2578, 5170), (2585, 5156)]