80658040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106129}}^1$

素因数の和:106159

約数の個数: 32

約数和(自身を含む): 191034000

約数和(自身を除く): 110375960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 106129, 212258, 424516, 530645, 849032, 1061290, 2016451, 2122580, 4032902, 4245160, 8065804, 10082255, 16131608, 20164510, 40329020, 80658040]

約数ペア:

[(1, 80658040), (2, 40329020), (4, 20164510), (5, 16131608), (8, 10082255), (10, 8065804), (19, 4245160), (20, 4032902), (38, 2122580), (40, 2016451), (76, 1061290), (95, 849032), (152, 530645), (190, 424516), (380, 212258), (760, 106129)]