71364680

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9857}}^1$

素因数の和:10049

約数の個数: 32

約数和(自身を含む): 161474040

約数和(自身を除く): 90109360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 9857, 19714, 39428, 49285, 78856, 98570, 197140, 394280, 1784117, 3568234, 7136468, 8920585, 14272936, 17841170, 35682340, 71364680]

約数ペア:

[(1, 71364680), (2, 35682340), (4, 17841170), (5, 14272936), (8, 8920585), (10, 7136468), (20, 3568234), (40, 1784117), (181, 394280), (362, 197140), (724, 98570), (905, 78856), (1448, 49285), (1810, 39428), (3620, 19714), (7240, 9857)]