64736140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462401}}^1$

素因数の和:462417

約数の個数: 24

約数和(自身を含む): 155367072

約数和(自身を除く): 90630932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462401, 924802, 1849604, 2312005, 3236807, 4624010, 6473614, 9248020, 12947228, 16184035, 32368070, 64736140]

約数ペア:

[(1, 64736140), (2, 32368070), (4, 16184035), (5, 12947228), (7, 9248020), (10, 6473614), (14, 4624010), (20, 3236807), (28, 2312005), (35, 1849604), (70, 924802), (140, 462401)]