71624840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{255803}}^1$

素因数の和:255821

約数の個数: 32

約数和(自身を含む): 184178880

約数和(自身を除く): 112554040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 255803, 511606, 1023212, 1279015, 1790621, 2046424, 2558030, 3581242, 5116060, 7162484, 8953105, 10232120, 14324968, 17906210, 35812420, 71624840]

約数ペア:

[(1, 71624840), (2, 35812420), (4, 17906210), (5, 14324968), (7, 10232120), (8, 8953105), (10, 7162484), (14, 5116060), (20, 3581242), (28, 2558030), (35, 2046424), (40, 1790621), (56, 1279015), (70, 1023212), (140, 511606), (280, 255803)]