12777700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9829}}^1$

素因数の和:9856

約数の個数: 36

約数和(自身を含む): 29863540

約数和(自身を除く): 17085840

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 9829, 19658, 39316, 49145, 98290, 127777, 196580, 245725, 255554, 491450, 511108, 638885, 982900, 1277770, 2555540, 3194425, 6388850, 12777700]

約数ペア:

[(1, 12777700), (2, 6388850), (4, 3194425), (5, 2555540), (10, 1277770), (13, 982900), (20, 638885), (25, 511108), (26, 491450), (50, 255554), (52, 245725), (65, 196580), (100, 127777), (130, 98290), (260, 49145), (325, 39316), (650, 19658), (1300, 9829)]