16618265980

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1\times {\mathrm{6833}}^1$

素因数の和:7558

約数の個数: 48

約数和(自身を含む): 35109264960

約数和(自身を除く): 18490998980

約数列:

[1, 2, 4, 5, 10, 20, 277, 439, 554, 878, 1108, 1385, 1756, 2195, 2770, 4390, 5540, 6833, 8780, 13666, 27332, 34165, 68330, 121603, 136660, 243206, 486412, 608015, 1216030, 1892741, 2432060, 2999687, 3785482, 5999374, 7570964, 9463705, 11998748, 14998435, 18927410, 29996870, 37854820, 59993740, 830913299, 1661826598, 3323653196, 4154566495, 8309132990, 16618265980]

約数ペア:

[(1, 16618265980), (2, 8309132990), (4, 4154566495), (5, 3323653196), (10, 1661826598), (20, 830913299), (277, 59993740), (439, 37854820), (554, 29996870), (878, 18927410), (1108, 14998435), (1385, 11998748), (1756, 9463705), (2195, 7570964), (2770, 5999374), (4390, 3785482), (5540, 2999687), (6833, 2432060), (8780, 1892741), (13666, 1216030), (27332, 608015), (34165, 486412), (68330, 243206), (121603, 136660)]