66897560

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1907}}^1$

素因数の和:2795

約数の個数: 32

約数和(自身を含む): 150770160

約数和(自身を除く): 83872600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 1754, 1907, 3508, 3814, 4385, 7016, 7628, 8770, 9535, 15256, 17540, 19070, 35080, 38140, 76280, 1672439, 3344878, 6689756, 8362195, 13379512, 16724390, 33448780, 66897560]

約数ペア:

[(1, 66897560), (2, 33448780), (4, 16724390), (5, 13379512), (8, 8362195), (10, 6689756), (20, 3344878), (40, 1672439), (877, 76280), (1754, 38140), (1907, 35080), (3508, 19070), (3814, 17540), (4385, 15256), (7016, 9535), (7628, 8770)]