40298140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64997}}^1$

素因数の和:65037

約数の個数: 24

約数和(自身を含む): 87357312

約数和(自身を除く): 47059172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 64997, 129994, 259988, 324985, 649970, 1299940, 2014907, 4029814, 8059628, 10074535, 20149070, 40298140]

約数ペア:

[(1, 40298140), (2, 20149070), (4, 10074535), (5, 8059628), (10, 4029814), (20, 2014907), (31, 1299940), (62, 649970), (124, 324985), (155, 259988), (310, 129994), (620, 64997)]