40815404

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10487}}^1$

素因数の和:10637

約数の個数: 24

約数和(自身を含む): 82225920

約数和(自身を除く): 41410516

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 10487, 20974, 41948, 73409, 146818, 293636, 1457693, 2915386, 5830772, 10203851, 20407702, 40815404]

約数ペア:

[(1, 40815404), (2, 20407702), (4, 10203851), (7, 5830772), (14, 2915386), (28, 1457693), (139, 293636), (278, 146818), (556, 73409), (973, 41948), (1946, 20974), (3892, 10487)]