73365680

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2089}}^1$

素因数の和:2541

約数の個数: 40

約数和(自身を含む): 171045600

約数和(自身を除く): 97679920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2089, 2195, 3512, 4178, 4390, 7024, 8356, 8780, 10445, 16712, 17560, 20890, 33424, 35120, 41780, 83560, 167120, 917071, 1834142, 3668284, 4585355, 7336568, 9170710, 14673136, 18341420, 36682840, 73365680]

約数ペア:

[(1, 73365680), (2, 36682840), (4, 18341420), (5, 14673136), (8, 9170710), (10, 7336568), (16, 4585355), (20, 3668284), (40, 1834142), (80, 917071), (439, 167120), (878, 83560), (1756, 41780), (2089, 35120), (2195, 33424), (3512, 20890), (4178, 17560), (4390, 16712), (7024, 10445), (8356, 8780)]