7131014780

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{640127}}^1$

素因数の和:640693

約数の個数: 24

約数和(自身を含む): 15002039808

約数和(自身を除く): 7871025028

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 640127, 1280254, 2560508, 3200635, 6401270, 12802540, 356550739, 713101478, 1426202956, 1782753695, 3565507390, 7131014780]

約数ペア:

[(1, 7131014780), (2, 3565507390), (4, 1782753695), (5, 1426202956), (10, 713101478), (20, 356550739), (557, 12802540), (1114, 6401270), (2228, 3200635), (2785, 2560508), (5570, 1280254), (11140, 640127)]