181165660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13147}}^1$

素因数の和:13222

約数の個数: 48

約数和(自身を含む): 417475296

約数和(自身を除く): 236309636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13147, 13780, 26294, 52588, 65735, 131470, 170911, 262940, 341822, 683644, 696791, 854555, 1393582, 1709110, 2787164, 3418220, 3483955, 6967910, 9058283, 13935820, 18116566, 36233132, 45291415, 90582830, 181165660]

約数ペア:

[(1, 181165660), (2, 90582830), (4, 45291415), (5, 36233132), (10, 18116566), (13, 13935820), (20, 9058283), (26, 6967910), (52, 3483955), (53, 3418220), (65, 2787164), (106, 1709110), (130, 1393582), (212, 854555), (260, 696791), (265, 683644), (530, 341822), (689, 262940), (1060, 170911), (1378, 131470), (2756, 65735), (3445, 52588), (6890, 26294), (13147, 13780)]