4385080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{15661}}^1$

素因数の和:15679

約数の個数: 32

約数和(自身を含む): 11276640

約数和(自身を除く): 6891560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 15661, 31322, 62644, 78305, 109627, 125288, 156610, 219254, 313220, 438508, 548135, 626440, 877016, 1096270, 2192540, 4385080]

約数ペア:

[(1, 4385080), (2, 2192540), (4, 1096270), (5, 877016), (7, 626440), (8, 548135), (10, 438508), (14, 313220), (20, 219254), (28, 156610), (35, 125288), (40, 109627), (56, 78305), (70, 62644), (140, 31322), (280, 15661)]