27661880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 64774080

約数和(自身を除く): 37112200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 167, 202, 205, 328, 334, 404, 410, 505, 668, 808, 820, 835, 1010, 1336, 1640, 1670, 2020, 3340, 4040, 4141, 6680, 6847, 8282, 13694, 16564, 16867, 20705, 27388, 33128, 33734, 34235, 41410, 54776, 67468, 68470, 82820, 84335, 134936, 136940, 165640, 168670, 273880, 337340, 674680, 691547, 1383094, 2766188, 3457735, 5532376, 6915470, 13830940, 27661880]

約数ペア:

[(1, 27661880), (2, 13830940), (4, 6915470), (5, 5532376), (8, 3457735), (10, 2766188), (20, 1383094), (40, 691547), (41, 674680), (82, 337340), (101, 273880), (164, 168670), (167, 165640), (202, 136940), (205, 134936), (328, 84335), (334, 82820), (404, 68470), (410, 67468), (505, 54776), (668, 41410), (808, 34235), (820, 33734), (835, 33128), (1010, 27388), (1336, 20705), (1640, 16867), (1670, 16564), (2020, 13694), (3340, 8282), (4040, 6847), (4141, 6680)]