127936820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12373}}^1$

素因数の和:12440

約数の個数: 48

約数和(自身を含む): 299351808

約数和(自身を除く): 171414988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 12373, 24746, 49492, 61865, 123730, 136103, 247460, 272206, 544412, 581531, 680515, 1163062, 1361030, 2326124, 2722060, 2907655, 5815310, 6396841, 11630620, 12793682, 25587364, 31984205, 63968410, 127936820]

約数ペア:

[(1, 127936820), (2, 63968410), (4, 31984205), (5, 25587364), (10, 12793682), (11, 11630620), (20, 6396841), (22, 5815310), (44, 2907655), (47, 2722060), (55, 2326124), (94, 1361030), (110, 1163062), (188, 680515), (220, 581531), (235, 544412), (470, 272206), (517, 247460), (940, 136103), (1034, 123730), (2068, 61865), (2585, 49492), (5170, 24746), (10340, 12373)]