12517180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 29240064

約数和(自身を除く): 16722884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1553, 1612, 2015, 3106, 4030, 6212, 7765, 8060, 15530, 20189, 31060, 40378, 48143, 80756, 96286, 100945, 192572, 201890, 240715, 403780, 481430, 625859, 962860, 1251718, 2503436, 3129295, 6258590, 12517180]

約数ペア:

[(1, 12517180), (2, 6258590), (4, 3129295), (5, 2503436), (10, 1251718), (13, 962860), (20, 625859), (26, 481430), (31, 403780), (52, 240715), (62, 201890), (65, 192572), (124, 100945), (130, 96286), (155, 80756), (260, 48143), (310, 40378), (403, 31060), (620, 20189), (806, 15530), (1553, 8060), (1612, 7765), (2015, 6212), (3106, 4030)]