80596280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64997}}^1$

素因数の和:65039

約数の個数: 32

約数和(自身を含む): 187194240

約数和(自身を除く): 106597960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64997, 129994, 259988, 324985, 519976, 649970, 1299940, 2014907, 2599880, 4029814, 8059628, 10074535, 16119256, 20149070, 40298140, 80596280]

約数ペア:

[(1, 80596280), (2, 40298140), (4, 20149070), (5, 16119256), (8, 10074535), (10, 8059628), (20, 4029814), (31, 2599880), (40, 2014907), (62, 1299940), (124, 649970), (155, 519976), (248, 324985), (310, 259988), (620, 129994), (1240, 64997)]