7143140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4013}}^1$

素因数の和:4111

約数の個数: 24

約数和(自身を含む): 15172920

約数和(自身を除く): 8029780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4013, 8026, 16052, 20065, 40130, 80260, 357157, 714314, 1428628, 1785785, 3571570, 7143140]

約数ペア:

[(1, 7143140), (2, 3571570), (4, 1785785), (5, 1428628), (10, 714314), (20, 357157), (89, 80260), (178, 40130), (356, 20065), (445, 16052), (890, 8026), (1780, 4013)]