161893360

素因数分解:

$2^4\times 5^1\times {\mathrm{2023667}}^1$

素因数の和:2023680

約数の個数: 20

約数和(自身を含む): 376402248

約数和(自身を除く): 214508888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2023667, 4047334, 8094668, 10118335, 16189336, 20236670, 32378672, 40473340, 80946680, 161893360]

約数ペア:

[(1, 161893360), (2, 80946680), (4, 40473340), (5, 32378672), (8, 20236670), (10, 16189336), (16, 10118335), (20, 8094668), (40, 4047334), (80, 2023667)]