40194280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143551}}^1$

素因数の和:143569

約数の個数: 32

約数和(自身を含む): 103357440

約数和(自身を除く): 63163160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143551, 287102, 574204, 717755, 1004857, 1148408, 1435510, 2009714, 2871020, 4019428, 5024285, 5742040, 8038856, 10048570, 20097140, 40194280]

約数ペア:

[(1, 40194280), (2, 20097140), (4, 10048570), (5, 8038856), (7, 5742040), (8, 5024285), (10, 4019428), (14, 2871020), (20, 2009714), (28, 1435510), (35, 1148408), (40, 1004857), (56, 717755), (70, 574204), (140, 287102), (280, 143551)]