130421680

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{8447}}^1$

素因数の和:8653

約数の個数: 40

約数和(自身を含む): 304837632

約数和(自身を除く): 174415952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 8447, 15440, 16894, 33788, 42235, 67576, 84470, 135152, 168940, 337880, 675760, 1630271, 3260542, 6521084, 8151355, 13042168, 16302710, 26084336, 32605420, 65210840, 130421680]

約数ペア:

[(1, 130421680), (2, 65210840), (4, 32605420), (5, 26084336), (8, 16302710), (10, 13042168), (16, 8151355), (20, 6521084), (40, 3260542), (80, 1630271), (193, 675760), (386, 337880), (772, 168940), (965, 135152), (1544, 84470), (1930, 67576), (3088, 42235), (3860, 33788), (7720, 16894), (8447, 15440)]