8904340

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3203}}^1$

素因数の和:3351

約数の個数: 24

約数和(自身を含む): 18839520

約数和(自身を除く): 9935180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3203, 6406, 12812, 16015, 32030, 64060, 445217, 890434, 1780868, 2226085, 4452170, 8904340]

約数ペア:

[(1, 8904340), (2, 4452170), (4, 2226085), (5, 1780868), (10, 890434), (20, 445217), (139, 64060), (278, 32030), (556, 16015), (695, 12812), (1390, 6406), (2780, 3203)]