80263370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 164229120

約数和(自身を除く): 83965750

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 71, 86, 110, 142, 215, 239, 355, 430, 473, 478, 710, 781, 946, 1195, 1562, 2365, 2390, 2629, 3053, 3905, 4730, 5258, 6106, 7810, 10277, 13145, 15265, 16969, 20554, 26290, 30530, 33583, 33938, 51385, 67166, 84845, 102770, 113047, 167915, 169690, 186659, 226094, 335830, 373318, 565235, 729667, 933295, 1130470, 1459334, 1866590, 3648335, 7296670, 8026337, 16052674, 40131685, 80263370]

約数ペア:

[(1, 80263370), (2, 40131685), (5, 16052674), (10, 8026337), (11, 7296670), (22, 3648335), (43, 1866590), (55, 1459334), (71, 1130470), (86, 933295), (110, 729667), (142, 565235), (215, 373318), (239, 335830), (355, 226094), (430, 186659), (473, 169690), (478, 167915), (710, 113047), (781, 102770), (946, 84845), (1195, 67166), (1562, 51385), (2365, 33938), (2390, 33583), (2629, 30530), (3053, 26290), (3905, 20554), (4730, 16969), (5258, 15265), (6106, 13145), (7810, 10277)]