8138980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4903}}^1$

素因数の和:4995

約数の個数: 24

約数和(自身を含む): 17301312

約数和(自身を除く): 9162332

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 4903, 9806, 19612, 24515, 49030, 98060, 406949, 813898, 1627796, 2034745, 4069490, 8138980]

約数ペア:

[(1, 8138980), (2, 4069490), (4, 2034745), (5, 1627796), (10, 813898), (20, 406949), (83, 98060), (166, 49030), (332, 24515), (415, 19612), (830, 9806), (1660, 4903)]