82840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 198000

約数和(自身を除く): 115160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 4142, 4360, 8284, 10355, 16568, 20710, 41420, 82840]

約数ペア:

[(1, 82840), (2, 41420), (4, 20710), (5, 16568), (8, 10355), (10, 8284), (19, 4360), (20, 4142), (38, 2180), (40, 2071), (76, 1090), (95, 872), (109, 760), (152, 545), (190, 436), (218, 380)]