140403520

素因数分解:

$2^6\times 5^1\times {\mathrm{438761}}^1$

素因数の和:438778

約数の個数: 28

約数和(自身を含む): 334336644

約数和(自身を除く): 193933124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 438761, 877522, 1755044, 2193805, 3510088, 4387610, 7020176, 8775220, 14040352, 17550440, 28080704, 35100880, 70201760, 140403520]

約数ペア:

[(1, 140403520), (2, 70201760), (4, 35100880), (5, 28080704), (8, 17550440), (10, 14040352), (16, 8775220), (20, 7020176), (32, 4387610), (40, 3510088), (64, 2193805), (80, 1755044), (160, 877522), (320, 438761)]