31704280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^2\times {\mathrm{127}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 72817920

約数和(自身を除く): 41113640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 127, 158, 254, 316, 395, 508, 632, 635, 790, 1016, 1270, 1580, 2540, 3160, 5080, 6241, 10033, 12482, 20066, 24964, 31205, 40132, 49928, 50165, 62410, 80264, 100330, 124820, 200660, 249640, 401320, 792607, 1585214, 3170428, 3963035, 6340856, 7926070, 15852140, 31704280]

約数ペア:

[(1, 31704280), (2, 15852140), (4, 7926070), (5, 6340856), (8, 3963035), (10, 3170428), (20, 1585214), (40, 792607), (79, 401320), (127, 249640), (158, 200660), (254, 124820), (316, 100330), (395, 80264), (508, 62410), (632, 50165), (635, 49928), (790, 40132), (1016, 31205), (1270, 24964), (1580, 20066), (2540, 12482), (3160, 10033), (5080, 6241)]