40405362

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20890

約数の個数: 32

約数和(自身を含む): 90072000

約数和(自身を除く): 49666638

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938, 20849, 41698, 62547, 125094, 354433, 396131, 708866, 792262, 1063299, 1188393, 2126598, 2376786, 6734227, 13468454, 20202681, 40405362]

約数ペア:

[(1, 40405362), (2, 20202681), (3, 13468454), (6, 6734227), (17, 2376786), (19, 2126598), (34, 1188393), (38, 1063299), (51, 792262), (57, 708866), (102, 396131), (114, 354433), (323, 125094), (646, 62547), (969, 41698), (1938, 20849)]