7285540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4093}}^1$

素因数の和:4191

約数の個数: 24

約数和(自身を含む): 15475320

約数和(自身を除く): 8189780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4093, 8186, 16372, 20465, 40930, 81860, 364277, 728554, 1457108, 1821385, 3642770, 7285540]

約数ペア:

[(1, 7285540), (2, 3642770), (4, 1821385), (5, 1457108), (10, 728554), (20, 364277), (89, 81860), (178, 40930), (356, 20465), (445, 16372), (890, 8186), (1780, 4093)]