28083560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5051}}^1$

素因数の和:5201

約数の個数: 32

約数和(自身を含む): 63655200

約数和(自身を除く): 35571640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5051, 5560, 10102, 20204, 25255, 40408, 50510, 101020, 202040, 702089, 1404178, 2808356, 3510445, 5616712, 7020890, 14041780, 28083560]

約数ペア:

[(1, 28083560), (2, 14041780), (4, 7020890), (5, 5616712), (8, 3510445), (10, 2808356), (20, 1404178), (40, 702089), (139, 202040), (278, 101020), (556, 50510), (695, 40408), (1112, 25255), (1390, 20204), (2780, 10102), (5051, 5560)]