42738040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 99532800

約数和(自身を除く): 56794760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 127, 179, 188, 235, 254, 358, 376, 470, 508, 635, 716, 895, 940, 1016, 1270, 1432, 1790, 1880, 2540, 3580, 5080, 5969, 7160, 8413, 11938, 16826, 22733, 23876, 29845, 33652, 42065, 45466, 47752, 59690, 67304, 84130, 90932, 113665, 119380, 168260, 181864, 227330, 238760, 336520, 454660, 909320, 1068451, 2136902, 4273804, 5342255, 8547608, 10684510, 21369020, 42738040]

約数ペア:

[(1, 42738040), (2, 21369020), (4, 10684510), (5, 8547608), (8, 5342255), (10, 4273804), (20, 2136902), (40, 1068451), (47, 909320), (94, 454660), (127, 336520), (179, 238760), (188, 227330), (235, 181864), (254, 168260), (358, 119380), (376, 113665), (470, 90932), (508, 84130), (635, 67304), (716, 59690), (895, 47752), (940, 45466), (1016, 42065), (1270, 33652), (1432, 29845), (1790, 23876), (1880, 22733), (2540, 16826), (3580, 11938), (5080, 8413), (5969, 7160)]