12980650

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2917}}^1$

素因数の和:3018

約数の個数: 24

約数和(自身を含む): 24423660

約数和(自身を除く): 11443010

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 2917, 4450, 5834, 14585, 29170, 72925, 145850, 259613, 519226, 1298065, 2596130, 6490325, 12980650]

約数ペア:

[(1, 12980650), (2, 6490325), (5, 2596130), (10, 1298065), (25, 519226), (50, 259613), (89, 145850), (178, 72925), (445, 29170), (890, 14585), (2225, 5834), (2917, 4450)]