4080796880

素因数分解:

$2^4\times 5^1\times {\mathrm{51009961}}^1$

素因数の和:51009974

約数の個数: 20

約数和(自身を含む): 9487852932

約数和(自身を除く): 5407056052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51009961, 102019922, 204039844, 255049805, 408079688, 510099610, 816159376, 1020199220, 2040398440, 4080796880]

約数ペア:

[(1, 4080796880), (2, 2040398440), (4, 1020199220), (5, 816159376), (8, 510099610), (10, 408079688), (16, 255049805), (20, 204039844), (40, 102019922), (80, 51009961)]