156891920

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4027}}^1$

素因数の和:4527

約数の個数: 40

約数和(自身を含む): 365613504

約数和(自身を除く): 208721584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1948, 2435, 3896, 4027, 4870, 7792, 8054, 9740, 16108, 19480, 20135, 32216, 38960, 40270, 64432, 80540, 161080, 322160, 1961149, 3922298, 7844596, 9805745, 15689192, 19611490, 31378384, 39222980, 78445960, 156891920]

約数ペア:

[(1, 156891920), (2, 78445960), (4, 39222980), (5, 31378384), (8, 19611490), (10, 15689192), (16, 9805745), (20, 7844596), (40, 3922298), (80, 1961149), (487, 322160), (974, 161080), (1948, 80540), (2435, 64432), (3896, 40270), (4027, 38960), (4870, 32216), (7792, 20135), (8054, 19480), (9740, 16108)]