138271160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{111509}}^1$

素因数の和:111551

約数の個数: 32

約数和(自身を含む): 321148800

約数和(自身を除く): 182877640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 111509, 223018, 446036, 557545, 892072, 1115090, 2230180, 3456779, 4460360, 6913558, 13827116, 17283895, 27654232, 34567790, 69135580, 138271160]

約数ペア:

[(1, 138271160), (2, 69135580), (4, 34567790), (5, 27654232), (8, 17283895), (10, 13827116), (20, 6913558), (31, 4460360), (40, 3456779), (62, 2230180), (124, 1115090), (155, 892072), (248, 557545), (310, 446036), (620, 223018), (1240, 111509)]