40257136

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{31849}}^1$

素因数の和:31936

約数の個数: 20

約数和(自身を含む): 78988000

約数和(自身を除く): 38730864

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 31849, 63698, 127396, 254792, 509584, 2516071, 5032142, 10064284, 20128568, 40257136]

約数ペア:

[(1, 40257136), (2, 20128568), (4, 10064284), (8, 5032142), (16, 2516071), (79, 509584), (158, 254792), (316, 127396), (632, 63698), (1264, 31849)]