66713020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4362

約数の個数: 48

約数和(自身を含む): 155022336

約数和(自身を除く): 88309316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4271, 7810, 8542, 15620, 17084, 21355, 42710, 46981, 85420, 93962, 187924, 234905, 303241, 469810, 606482, 939620, 1212964, 1516205, 3032410, 3335651, 6064820, 6671302, 13342604, 16678255, 33356510, 66713020]

約数ペア:

[(1, 66713020), (2, 33356510), (4, 16678255), (5, 13342604), (10, 6671302), (11, 6064820), (20, 3335651), (22, 3032410), (44, 1516205), (55, 1212964), (71, 939620), (110, 606482), (142, 469810), (220, 303241), (284, 234905), (355, 187924), (710, 93962), (781, 85420), (1420, 46981), (1562, 42710), (3124, 21355), (3905, 17084), (4271, 15620), (7810, 8542)]