7141640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16231}}^1$

素因数の和:16253

約数の個数: 32

約数和(自身を含む): 17530560

約数和(自身を除く): 10388920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 16231, 32462, 64924, 81155, 129848, 162310, 178541, 324620, 357082, 649240, 714164, 892705, 1428328, 1785410, 3570820, 7141640]

約数ペア:

[(1, 7141640), (2, 3570820), (4, 1785410), (5, 1428328), (8, 892705), (10, 714164), (11, 649240), (20, 357082), (22, 324620), (40, 178541), (44, 162310), (55, 129848), (88, 81155), (110, 64924), (220, 32462), (440, 16231)]