12966400

素因数分解:

$2^9\times 5^2\times {\mathrm{1013}}^1$

素因数の和:1041

約数の個数: 60

約数和(自身を含む): 32156982

約数和(自身を除く): 19190582

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1013, 1280, 1600, 2026, 2560, 3200, 4052, 5065, 6400, 8104, 10130, 12800, 16208, 20260, 25325, 32416, 40520, 50650, 64832, 81040, 101300, 129664, 162080, 202600, 259328, 324160, 405200, 518656, 648320, 810400, 1296640, 1620800, 2593280, 3241600, 6483200, 12966400]

約数ペア:

[(1, 12966400), (2, 6483200), (4, 3241600), (5, 2593280), (8, 1620800), (10, 1296640), (16, 810400), (20, 648320), (25, 518656), (32, 405200), (40, 324160), (50, 259328), (64, 202600), (80, 162080), (100, 129664), (128, 101300), (160, 81040), (200, 64832), (256, 50650), (320, 40520), (400, 32416), (512, 25325), (640, 20260), (800, 16208), (1013, 12800), (1280, 10130), (1600, 8104), (2026, 6400), (2560, 5065), (3200, 4052)]