26240420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9439}}^1$

素因数の和:9587

約数の個数: 24

約数和(自身を含む): 55507200

約数和(自身を除く): 29266780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9439, 18878, 37756, 47195, 94390, 188780, 1312021, 2624042, 5248084, 6560105, 13120210, 26240420]

約数ペア:

[(1, 26240420), (2, 13120210), (4, 6560105), (5, 5248084), (10, 2624042), (20, 1312021), (139, 188780), (278, 94390), (556, 47195), (695, 37756), (1390, 18878), (2780, 9439)]