26768360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 62726400

約数和(自身を除く): 35958040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 197, 215, 316, 344, 394, 395, 430, 632, 788, 790, 860, 985, 1576, 1580, 1720, 1970, 3160, 3397, 3940, 6794, 7880, 8471, 13588, 15563, 16942, 16985, 27176, 31126, 33884, 33970, 42355, 62252, 67768, 67940, 77815, 84710, 124504, 135880, 155630, 169420, 311260, 338840, 622520, 669209, 1338418, 2676836, 3346045, 5353672, 6692090, 13384180, 26768360]

約数ペア:

[(1, 26768360), (2, 13384180), (4, 6692090), (5, 5353672), (8, 3346045), (10, 2676836), (20, 1338418), (40, 669209), (43, 622520), (79, 338840), (86, 311260), (158, 169420), (172, 155630), (197, 135880), (215, 124504), (316, 84710), (344, 77815), (394, 67940), (395, 67768), (430, 62252), (632, 42355), (788, 33970), (790, 33884), (860, 31126), (985, 27176), (1576, 16985), (1580, 16942), (1720, 15563), (1970, 13588), (3160, 8471), (3397, 7880), (3940, 6794)]