13078880

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1959

約数の個数: 48

約数和(自身を含む): 31634064

約数和(自身を除く): 18555184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1901, 3440, 3802, 6880, 7604, 9505, 15208, 19010, 30416, 38020, 60832, 76040, 81743, 152080, 163486, 304160, 326972, 408715, 653944, 817430, 1307888, 1634860, 2615776, 3269720, 6539440, 13078880]

約数ペア:

[(1, 13078880), (2, 6539440), (4, 3269720), (5, 2615776), (8, 1634860), (10, 1307888), (16, 817430), (20, 653944), (32, 408715), (40, 326972), (43, 304160), (80, 163486), (86, 152080), (160, 81743), (172, 76040), (215, 60832), (344, 38020), (430, 30416), (688, 19010), (860, 15208), (1376, 9505), (1720, 7604), (1901, 6880), (3440, 3802)]