39688460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283489}}^1$

素因数の和:283505

約数の個数: 24

約数和(自身を含む): 95252640

約数和(自身を除く): 55564180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283489, 566978, 1133956, 1417445, 1984423, 2834890, 3968846, 5669780, 7937692, 9922115, 19844230, 39688460]

約数ペア:

[(1, 39688460), (2, 19844230), (4, 9922115), (5, 7937692), (7, 5669780), (10, 3968846), (14, 2834890), (20, 1984423), (28, 1417445), (35, 1133956), (70, 566978), (140, 283489)]