16654640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10957}}^1$

素因数の和:10989

約数の個数: 40

約数和(自身を含む): 40763760

約数和(自身を除く): 24109120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10957, 21914, 43828, 54785, 87656, 109570, 175312, 208183, 219140, 416366, 438280, 832732, 876560, 1040915, 1665464, 2081830, 3330928, 4163660, 8327320, 16654640]

約数ペア:

[(1, 16654640), (2, 8327320), (4, 4163660), (5, 3330928), (8, 2081830), (10, 1665464), (16, 1040915), (19, 876560), (20, 832732), (38, 438280), (40, 416366), (76, 219140), (80, 208183), (95, 175312), (152, 109570), (190, 87656), (304, 54785), (380, 43828), (760, 21914), (1520, 10957)]