40540994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 68221440

約数和(自身を除く): 27680446

約数列:

[1, 2, 13, 26, 31, 62, 179, 281, 358, 403, 562, 806, 2327, 3653, 4654, 5549, 7306, 8711, 11098, 17422, 50299, 72137, 100598, 113243, 144274, 226486, 653887, 1307774, 1559269, 3118538, 20270497, 40540994]

約数ペア:

[(1, 40540994), (2, 20270497), (13, 3118538), (26, 1559269), (31, 1307774), (62, 653887), (179, 226486), (281, 144274), (358, 113243), (403, 100598), (562, 72137), (806, 50299), (2327, 17422), (3653, 11098), (4654, 8711), (5549, 7306)]