55393780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{829}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 125914320

約数和(自身を除く): 70520540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 829, 1028, 1285, 1658, 2570, 3316, 3341, 4145, 5140, 6682, 8290, 10777, 13364, 16580, 16705, 21554, 33410, 43108, 53885, 66820, 107770, 213053, 215540, 426106, 852212, 1065265, 2130530, 2769689, 4261060, 5539378, 11078756, 13848445, 27696890, 55393780]

約数ペア:

[(1, 55393780), (2, 27696890), (4, 13848445), (5, 11078756), (10, 5539378), (13, 4261060), (20, 2769689), (26, 2130530), (52, 1065265), (65, 852212), (130, 426106), (257, 215540), (260, 213053), (514, 107770), (829, 66820), (1028, 53885), (1285, 43108), (1658, 33410), (2570, 21554), (3316, 16705), (3341, 16580), (4145, 13364), (5140, 10777), (6682, 8290)]