201021200

素因数分解:

$2^4\times 5^2\times {\mathrm{502553}}^1$

素因数の和:502571

約数の個数: 30

約数和(自身を含む): 482954394

約数和(自身を除く): 281933194

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 502553, 1005106, 2010212, 2512765, 4020424, 5025530, 8040848, 10051060, 12563825, 20102120, 25127650, 40204240, 50255300, 100510600, 201021200]

約数ペア:

[(1, 201021200), (2, 100510600), (4, 50255300), (5, 40204240), (8, 25127650), (10, 20102120), (16, 12563825), (20, 10051060), (25, 8040848), (40, 5025530), (50, 4020424), (80, 2512765), (100, 2010212), (200, 1005106), (400, 502553)]