27964640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15889}}^1$

素因数の和:15915

約数の個数: 48

約数和(自身を含む): 72077040

約数和(自身を除く): 44112400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 15889, 31778, 63556, 79445, 127112, 158890, 174779, 254224, 317780, 349558, 508448, 635560, 699116, 873895, 1271120, 1398232, 1747790, 2542240, 2796464, 3495580, 5592928, 6991160, 13982320, 27964640]

約数ペア:

[(1, 27964640), (2, 13982320), (4, 6991160), (5, 5592928), (8, 3495580), (10, 2796464), (11, 2542240), (16, 1747790), (20, 1398232), (22, 1271120), (32, 873895), (40, 699116), (44, 635560), (55, 508448), (80, 349558), (88, 317780), (110, 254224), (160, 174779), (176, 158890), (220, 127112), (352, 79445), (440, 63556), (880, 31778), (1760, 15889)]