52781450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 102951000

約数和(自身を除く): 50169550

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 89, 145, 178, 290, 409, 445, 725, 818, 890, 1450, 2045, 2225, 2581, 4090, 4450, 5162, 10225, 11861, 12905, 20450, 23722, 25810, 36401, 59305, 64525, 72802, 118610, 129050, 182005, 296525, 364010, 593050, 910025, 1055629, 1820050, 2111258, 5278145, 10556290, 26390725, 52781450]

約数ペア:

[(1, 52781450), (2, 26390725), (5, 10556290), (10, 5278145), (25, 2111258), (29, 1820050), (50, 1055629), (58, 910025), (89, 593050), (145, 364010), (178, 296525), (290, 182005), (409, 129050), (445, 118610), (725, 72802), (818, 64525), (890, 59305), (1450, 36401), (2045, 25810), (2225, 23722), (2581, 20450), (4090, 12905), (4450, 11861), (5162, 10225)]