26477680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 60

約数和(自身を含む): 63377640

約数和(自身を除く): 36899960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 179, 215, 344, 358, 430, 688, 716, 860, 895, 1432, 1720, 1790, 1849, 2864, 3440, 3580, 3698, 7160, 7396, 7697, 9245, 14320, 14792, 15394, 18490, 29584, 30788, 36980, 38485, 61576, 73960, 76970, 123152, 147920, 153940, 307880, 330971, 615760, 661942, 1323884, 1654855, 2647768, 3309710, 5295536, 6619420, 13238840, 26477680]

約数ペア:

[(1, 26477680), (2, 13238840), (4, 6619420), (5, 5295536), (8, 3309710), (10, 2647768), (16, 1654855), (20, 1323884), (40, 661942), (43, 615760), (80, 330971), (86, 307880), (172, 153940), (179, 147920), (215, 123152), (344, 76970), (358, 73960), (430, 61576), (688, 38485), (716, 36980), (860, 30788), (895, 29584), (1432, 18490), (1720, 15394), (1790, 14792), (1849, 14320), (2864, 9245), (3440, 7697), (3580, 7396), (3698, 7160)]