61551640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80989}}^1$

素因数の和:81019

約数の個数: 32

約数和(自身を含む): 145782000

約数和(自身を除く): 84230360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 80989, 161978, 323956, 404945, 647912, 809890, 1538791, 1619780, 3077582, 3239560, 6155164, 7693955, 12310328, 15387910, 30775820, 61551640]

約数ペア:

[(1, 61551640), (2, 30775820), (4, 15387910), (5, 12310328), (8, 7693955), (10, 6155164), (19, 3239560), (20, 3077582), (38, 1619780), (40, 1538791), (76, 809890), (95, 647912), (152, 404945), (190, 323956), (380, 161978), (760, 80989)]