157066880

素因数分解:

$2^7\times 5^1\times {\mathrm{245417}}^1$

素因数の和:245436

約数の個数: 32

約数和(自身を含む): 375489540

約数和(自身を除く): 218422660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 245417, 490834, 981668, 1227085, 1963336, 2454170, 3926672, 4908340, 7853344, 9816680, 15706688, 19633360, 31413376, 39266720, 78533440, 157066880]

約数ペア:

[(1, 157066880), (2, 78533440), (4, 39266720), (5, 31413376), (8, 19633360), (10, 15706688), (16, 9816680), (20, 7853344), (32, 4908340), (40, 3926672), (64, 2454170), (80, 1963336), (128, 1227085), (160, 981668), (320, 490834), (640, 245417)]