7428380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9059}}^1$

素因数の和:9109

約数の個数: 24

約数和(自身を含む): 15981840

約数和(自身を除く): 8553460

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 9059, 18118, 36236, 45295, 90590, 181180, 371419, 742838, 1485676, 1857095, 3714190, 7428380]

約数ペア:

[(1, 7428380), (2, 3714190), (4, 1857095), (5, 1485676), (10, 742838), (20, 371419), (41, 181180), (82, 90590), (164, 45295), (205, 36236), (410, 18118), (820, 9059)]