15894520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9241}}^1$

素因数の和:9295

約数の個数: 32

約数和(自身を含む): 36598320

約数和(自身を除く): 20703800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9241, 18482, 36964, 46205, 73928, 92410, 184820, 369640, 397363, 794726, 1589452, 1986815, 3178904, 3973630, 7947260, 15894520]

約数ペア:

[(1, 15894520), (2, 7947260), (4, 3973630), (5, 3178904), (8, 1986815), (10, 1589452), (20, 794726), (40, 397363), (43, 369640), (86, 184820), (172, 92410), (215, 73928), (344, 46205), (430, 36964), (860, 18482), (1720, 9241)]