157775680

素因数分解:

$2^6\times 5^1\times {\mathrm{493049}}^1$

素因数の和:493066

約数の個数: 28

約数和(自身を含む): 375704100

約数和(自身を除く): 217928420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 493049, 986098, 1972196, 2465245, 3944392, 4930490, 7888784, 9860980, 15777568, 19721960, 31555136, 39443920, 78887840, 157775680]

約数ペア:

[(1, 157775680), (2, 78887840), (4, 39443920), (5, 31555136), (8, 19721960), (10, 15777568), (16, 9860980), (20, 7888784), (32, 4930490), (40, 3944392), (64, 2465245), (80, 1972196), (160, 986098), (320, 493049)]