40905488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{196661}}^1$

素因数の和:196682

約数の個数: 20

約数和(自身を含む): 85351308

約数和(自身を除く): 44445820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 196661, 393322, 786644, 1573288, 2556593, 3146576, 5113186, 10226372, 20452744, 40905488]

約数ペア:

[(1, 40905488), (2, 20452744), (4, 10226372), (8, 5113186), (13, 3146576), (16, 2556593), (26, 1573288), (52, 786644), (104, 393322), (208, 196661)]