13384180

素因数分解:

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

素因数の和:328

約数の個数: 48

約数和(自身を含む): 29272320

約数和(自身を除く): 15888140

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 197, 215, 316, 394, 395, 430, 788, 790, 860, 985, 1580, 1970, 3397, 3940, 6794, 8471, 13588, 15563, 16942, 16985, 31126, 33884, 33970, 42355, 62252, 67940, 77815, 84710, 155630, 169420, 311260, 669209, 1338418, 2676836, 3346045, 6692090, 13384180]

約数ペア:

[(1, 13384180), (2, 6692090), (4, 3346045), (5, 2676836), (10, 1338418), (20, 669209), (43, 311260), (79, 169420), (86, 155630), (158, 84710), (172, 77815), (197, 67940), (215, 62252), (316, 42355), (394, 33970), (395, 33884), (430, 31126), (788, 16985), (790, 16942), (860, 15563), (985, 13588), (1580, 8471), (1970, 6794), (3397, 3940)]