12711200

素因数分解:

$2^5\times 5^2\times {\mathrm{15889}}^1$

素因数の和:15909

約数の個数: 36

約数和(自身を含む): 31033170

約数和(自身を除く): 18321970

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 15889, 31778, 63556, 79445, 127112, 158890, 254224, 317780, 397225, 508448, 635560, 794450, 1271120, 1588900, 2542240, 3177800, 6355600, 12711200]

約数ペア:

[(1, 12711200), (2, 6355600), (4, 3177800), (5, 2542240), (8, 1588900), (10, 1271120), (16, 794450), (20, 635560), (25, 508448), (32, 397225), (40, 317780), (50, 254224), (80, 158890), (100, 127112), (160, 79445), (200, 63556), (400, 31778), (800, 15889)]