40165648

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{19163}}^1$

素因数の和:19302

約数の個数: 20

約数和(自身を含む): 78419088

約数和(自身を除く): 38253440

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 19163, 38326, 76652, 153304, 306608, 2510353, 5020706, 10041412, 20082824, 40165648]

約数ペア:

[(1, 40165648), (2, 20082824), (4, 10041412), (8, 5020706), (16, 2510353), (131, 306608), (262, 153304), (524, 76652), (1048, 38326), (2096, 19163)]