26416820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 57335040

約数和(自身を除く): 30918220

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 157, 179, 188, 235, 314, 358, 470, 628, 716, 785, 895, 940, 1570, 1790, 3140, 3580, 7379, 8413, 14758, 16826, 28103, 29516, 33652, 36895, 42065, 56206, 73790, 84130, 112412, 140515, 147580, 168260, 281030, 562060, 1320841, 2641682, 5283364, 6604205, 13208410, 26416820]

約数ペア:

[(1, 26416820), (2, 13208410), (4, 6604205), (5, 5283364), (10, 2641682), (20, 1320841), (47, 562060), (94, 281030), (157, 168260), (179, 147580), (188, 140515), (235, 112412), (314, 84130), (358, 73790), (470, 56206), (628, 42065), (716, 36895), (785, 33652), (895, 29516), (940, 28103), (1570, 16826), (1790, 14758), (3140, 8413), (3580, 7379)]