71123440

素因数分解:

$2^4\times 5^1\times {\mathrm{889043}}^1$

素因数の和:889056

約数の個数: 20

約数和(自身を含む): 165362184

約数和(自身を除く): 94238744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 889043, 1778086, 3556172, 4445215, 7112344, 8890430, 14224688, 17780860, 35561720, 71123440]

約数ペア:

[(1, 71123440), (2, 35561720), (4, 17780860), (5, 14224688), (8, 8890430), (10, 7112344), (16, 4445215), (20, 3556172), (40, 1778086), (80, 889043)]