81845200

素因数分解:

$2^4\times 5^2\times {\mathrm{204613}}^1$

素因数の和:204631

約数の個数: 30

約数和(自身を含む): 196634054

約数和(自身を除く): 114788854

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 204613, 409226, 818452, 1023065, 1636904, 2046130, 3273808, 4092260, 5115325, 8184520, 10230650, 16369040, 20461300, 40922600, 81845200]

約数ペア:

[(1, 81845200), (2, 40922600), (4, 20461300), (5, 16369040), (8, 10230650), (10, 8184520), (16, 5115325), (20, 4092260), (25, 3273808), (40, 2046130), (50, 1636904), (80, 1023065), (100, 818452), (200, 409226), (400, 204613)]