12864020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49477}}^1$

素因数の和:49499

約数の個数: 24

約数和(自身を含む): 29093064

約数和(自身を除く): 16229044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49477, 98954, 197908, 247385, 494770, 643201, 989540, 1286402, 2572804, 3216005, 6432010, 12864020]

約数ペア:

[(1, 12864020), (2, 6432010), (4, 3216005), (5, 2572804), (10, 1286402), (13, 989540), (20, 643201), (26, 494770), (52, 247385), (65, 197908), (130, 98954), (260, 49477)]