13241020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 30256128

約数和(自身を除く): 17015108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 401, 508, 635, 802, 1270, 1604, 1651, 2005, 2540, 3302, 4010, 5213, 6604, 8020, 8255, 10426, 16510, 20852, 26065, 33020, 50927, 52130, 101854, 104260, 203708, 254635, 509270, 662051, 1018540, 1324102, 2648204, 3310255, 6620510, 13241020]

約数ペア:

[(1, 13241020), (2, 6620510), (4, 3310255), (5, 2648204), (10, 1324102), (13, 1018540), (20, 662051), (26, 509270), (52, 254635), (65, 203708), (127, 104260), (130, 101854), (254, 52130), (260, 50927), (401, 33020), (508, 26065), (635, 20852), (802, 16510), (1270, 10426), (1604, 8255), (1651, 8020), (2005, 6604), (2540, 5213), (3302, 4010)]