2664560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1753}}^1$

素因数の和:1785

約数の個数: 40

約数和(自身を含む): 6524880

約数和(自身を除く): 3860320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1753, 3506, 7012, 8765, 14024, 17530, 28048, 33307, 35060, 66614, 70120, 133228, 140240, 166535, 266456, 333070, 532912, 666140, 1332280, 2664560]

約数ペア:

[(1, 2664560), (2, 1332280), (4, 666140), (5, 532912), (8, 333070), (10, 266456), (16, 166535), (19, 140240), (20, 133228), (38, 70120), (40, 66614), (76, 35060), (80, 33307), (95, 28048), (152, 17530), (190, 14024), (304, 8765), (380, 7012), (760, 3506), (1520, 1753)]