7045240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1979}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 16038000

約数和(自身を除く): 8992760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 1979, 3560, 3958, 7916, 9895, 15832, 19790, 39580, 79160, 176131, 352262, 704524, 880655, 1409048, 1761310, 3522620, 7045240]

約数ペア:

[(1, 7045240), (2, 3522620), (4, 1761310), (5, 1409048), (8, 880655), (10, 704524), (20, 352262), (40, 176131), (89, 79160), (178, 39580), (356, 19790), (445, 15832), (712, 9895), (890, 7916), (1780, 3958), (1979, 3560)]