80526560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26489}}^1$

素因数の和:26523

約数の個数: 48

約数和(自身を含む): 200264400

約数和(自身を除く): 119737840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 26489, 52978, 105956, 132445, 211912, 264890, 423824, 503291, 529780, 847648, 1006582, 1059560, 2013164, 2119120, 2516455, 4026328, 4238240, 5032910, 8052656, 10065820, 16105312, 20131640, 40263280, 80526560]

約数ペア:

[(1, 80526560), (2, 40263280), (4, 20131640), (5, 16105312), (8, 10065820), (10, 8052656), (16, 5032910), (19, 4238240), (20, 4026328), (32, 2516455), (38, 2119120), (40, 2013164), (76, 1059560), (80, 1006582), (95, 847648), (152, 529780), (160, 503291), (190, 423824), (304, 264890), (380, 211912), (608, 132445), (760, 105956), (1520, 52978), (3040, 26489)]