124904240

素因数分解:

$2^4\times 5^1\times {\mathrm{1561303}}^1$

素因数の和:1561316

約数の個数: 20

約数和(自身を含む): 290402544

約数和(自身を除く): 165498304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1561303, 3122606, 6245212, 7806515, 12490424, 15613030, 24980848, 31226060, 62452120, 124904240]

約数ペア:

[(1, 124904240), (2, 62452120), (4, 31226060), (5, 24980848), (8, 15613030), (10, 12490424), (16, 7806515), (20, 6245212), (40, 3122606), (80, 1561303)]