63971300

素因数分解:

$2^2\times 5^2\times {\mathrm{639713}}^1$

素因数の和:639727

約数の個数: 18

約数和(自身を含む): 138817938

約数和(自身を除く): 74846638

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 639713, 1279426, 2558852, 3198565, 6397130, 12794260, 15992825, 31985650, 63971300]

約数ペア:

[(1, 63971300), (2, 31985650), (4, 15992825), (5, 12794260), (10, 6397130), (20, 3198565), (25, 2558852), (50, 1279426), (100, 639713)]