140161720

素因数分解:

$2^3\times 5^1\times {\mathrm{3504043}}^1$

素因数の和:3504054

約数の個数: 16

約数和(自身を含む): 315363960

約数和(自身を除く): 175202240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3504043, 7008086, 14016172, 17520215, 28032344, 35040430, 70080860, 140161720]

約数ペア:

[(1, 140161720), (2, 70080860), (4, 35040430), (5, 28032344), (8, 17520215), (10, 14016172), (20, 7008086), (40, 3504043)]