67847420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{64007}}^1$

素因数の和:64069

約数の個数: 24

約数和(自身を含む): 145170144

約数和(自身を除く): 77322724

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 64007, 128014, 256028, 320035, 640070, 1280140, 3392371, 6784742, 13569484, 16961855, 33923710, 67847420]

約数ペア:

[(1, 67847420), (2, 33923710), (4, 16961855), (5, 13569484), (10, 6784742), (20, 3392371), (53, 1280140), (106, 640070), (212, 320035), (265, 256028), (530, 128014), (1060, 64007)]