40340464

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{23131}}^1$

素因数の和:23248

約数の個数: 20

約数和(自身を含む): 78880120

約数和(自身を除く): 38539656

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 23131, 46262, 92524, 185048, 370096, 2521279, 5042558, 10085116, 20170232, 40340464]

約数ペア:

[(1, 40340464), (2, 20170232), (4, 10085116), (8, 5042558), (16, 2521279), (109, 370096), (218, 185048), (436, 92524), (872, 46262), (1744, 23131)]