71667380

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{4271}}^1$

素因数の和:5119

約数の個数: 24

約数和(自身を含む): 150716160

約数和(自身を除く): 79048780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 4271, 8390, 8542, 16780, 17084, 21355, 42710, 85420, 3583369, 7166738, 14333476, 17916845, 35833690, 71667380]

約数ペア:

[(1, 71667380), (2, 35833690), (4, 17916845), (5, 14333476), (10, 7166738), (20, 3583369), (839, 85420), (1678, 42710), (3356, 21355), (4195, 17084), (4271, 16780), (8390, 8542)]