87951920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157057}}^1$

素因数の和:157077

約数の個数: 40

約数和(自身を含む): 233702304

約数和(自身を除く): 145750384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 157057, 314114, 628228, 785285, 1099399, 1256456, 1570570, 2198798, 2512912, 3141140, 4397596, 5496995, 6282280, 8795192, 10993990, 12564560, 17590384, 21987980, 43975960, 87951920]

約数ペア:

[(1, 87951920), (2, 43975960), (4, 21987980), (5, 17590384), (7, 12564560), (8, 10993990), (10, 8795192), (14, 6282280), (16, 5496995), (20, 4397596), (28, 3141140), (35, 2512912), (40, 2198798), (56, 1570570), (70, 1256456), (80, 1099399), (112, 785285), (140, 628228), (280, 314114), (560, 157057)]