138481360

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{8969}}^1$

素因数の和:9175

約数の個数: 40

約数和(自身を含む): 323673480

約数和(自身を除く): 185192120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 8969, 15440, 17938, 35876, 44845, 71752, 89690, 143504, 179380, 358760, 717520, 1731017, 3462034, 6924068, 8655085, 13848136, 17310170, 27696272, 34620340, 69240680, 138481360]

約数ペア:

[(1, 138481360), (2, 69240680), (4, 34620340), (5, 27696272), (8, 17310170), (10, 13848136), (16, 8655085), (20, 6924068), (40, 3462034), (80, 1731017), (193, 717520), (386, 358760), (772, 179380), (965, 143504), (1544, 89690), (1930, 71752), (3088, 44845), (3860, 35876), (7720, 17938), (8969, 15440)]