396954680

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{51419}}^1$

素因数の和:51623

約数の個数: 32

約数和(自身を含む): 897793200

約数和(自身を除く): 500838520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 51419, 102838, 205676, 257095, 411352, 514190, 1028380, 2056760, 9923867, 19847734, 39695468, 49619335, 79390936, 99238670, 198477340, 396954680]

約数ペア:

[(1, 396954680), (2, 198477340), (4, 99238670), (5, 79390936), (8, 49619335), (10, 39695468), (20, 19847734), (40, 9923867), (193, 2056760), (386, 1028380), (772, 514190), (965, 411352), (1544, 257095), (1930, 205676), (3860, 102838), (7720, 51419)]