40115344

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{19139}}^1$

素因数の和:19278

約数の個数: 20

約数和(自身を含む): 78320880

約数和(自身を除く): 38205536

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 19139, 38278, 76556, 153112, 306224, 2507209, 5014418, 10028836, 20057672, 40115344]

約数ペア:

[(1, 40115344), (2, 20057672), (4, 10028836), (8, 5014418), (16, 2507209), (131, 306224), (262, 153112), (524, 76556), (1048, 38278), (2096, 19139)]