80795140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{29063}}^1$

素因数の和:29211

約数の個数: 24

約数和(自身を含む): 170896320

約数和(自身を除く): 90101180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 29063, 58126, 116252, 145315, 290630, 581260, 4039757, 8079514, 16159028, 20198785, 40397570, 80795140]

約数ペア:

[(1, 80795140), (2, 40397570), (4, 20198785), (5, 16159028), (10, 8079514), (20, 4039757), (139, 581260), (278, 290630), (556, 145315), (695, 116252), (1390, 58126), (2780, 29063)]