26139520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 44362880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 79, 80, 88, 94, 110, 128, 158, 160, 176, 188, 220, 235, 316, 320, 352, 376, 395, 440, 470, 517, 632, 640, 704, 752, 790, 869, 880, 940, 1034, 1264, 1408, 1504, 1580, 1738, 1760, 1880, 2068, 2528, 2585, 3008, 3160, 3476, 3520, 3713, 3760, 4136, 4345, 5056, 5170, 6016, 6320, 6952, 7040, 7426, 7520, 8272, 8690, 10112, 10340, 12640, 13904, 14852, 15040, 16544, 17380, 18565, 20680, 25280, 27808, 29704, 30080, 33088, 34760, 37130, 40843, 41360, 50560, 55616, 59408, 66176, 69520, 74260, 81686, 82720, 111232, 118816, 139040, 148520, 163372, 165440, 204215, 237632, 278080, 297040, 326744, 330880, 408430, 475264, 556160, 594080, 653488, 816860, 1188160, 1306976, 1633720, 2376320, 2613952, 3267440, 5227904, 6534880, 13069760, 26139520]

約数ペア:

[(1, 26139520), (2, 13069760), (4, 6534880), (5, 5227904), (8, 3267440), (10, 2613952), (11, 2376320), (16, 1633720), (20, 1306976), (22, 1188160), (32, 816860), (40, 653488), (44, 594080), (47, 556160), (55, 475264), (64, 408430), (79, 330880), (80, 326744), (88, 297040), (94, 278080), (110, 237632), (128, 204215), (158, 165440), (160, 163372), (176, 148520), (188, 139040), (220, 118816), (235, 111232), (316, 82720), (320, 81686), (352, 74260), (376, 69520), (395, 66176), (440, 59408), (470, 55616), (517, 50560), (632, 41360), (640, 40843), (704, 37130), (752, 34760), (790, 33088), (869, 30080), (880, 29704), (940, 27808), (1034, 25280), (1264, 20680), (1408, 18565), (1504, 17380), (1580, 16544), (1738, 15040), (1760, 14852), (1880, 13904), (2068, 12640), (2528, 10340), (2585, 10112), (3008, 8690), (3160, 8272), (3476, 7520), (3520, 7426), (3713, 7040), (3760, 6952), (4136, 6320), (4345, 6016), (5056, 5170)]