13561340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 31408608

約数和(自身を除く): 17847268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1213, 2236, 2426, 2795, 4852, 5590, 6065, 11180, 12130, 15769, 24260, 31538, 52159, 63076, 78845, 104318, 157690, 208636, 260795, 315380, 521590, 678067, 1043180, 1356134, 2712268, 3390335, 6780670, 13561340]

約数ペア:

[(1, 13561340), (2, 6780670), (4, 3390335), (5, 2712268), (10, 1356134), (13, 1043180), (20, 678067), (26, 521590), (43, 315380), (52, 260795), (65, 208636), (86, 157690), (130, 104318), (172, 78845), (215, 63076), (260, 52159), (430, 31538), (559, 24260), (860, 15769), (1118, 12130), (1213, 11180), (2236, 6065), (2426, 5590), (2795, 4852)]