51540940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13781}}^1$

素因数の和:13818

約数の個数: 48

約数和(自身を含む): 125030304

約数和(自身を除く): 73489364

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 13781, 27562, 55124, 68905, 137810, 151591, 234277, 275620, 303182, 468554, 606364, 757955, 937108, 1171385, 1515910, 2342770, 2577047, 3031820, 4685540, 5154094, 10308188, 12885235, 25770470, 51540940]

約数ペア:

[(1, 51540940), (2, 25770470), (4, 12885235), (5, 10308188), (10, 5154094), (11, 4685540), (17, 3031820), (20, 2577047), (22, 2342770), (34, 1515910), (44, 1171385), (55, 937108), (68, 757955), (85, 606364), (110, 468554), (170, 303182), (187, 275620), (220, 234277), (340, 151591), (374, 137810), (748, 68905), (935, 55124), (1870, 27562), (3740, 13781)]