13181480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25349}}^1$

素因数の和:25373

約数の個数: 32

約数和(自身を含む): 31941000

約数和(自身を除く): 18759520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25349, 50698, 101396, 126745, 202792, 253490, 329537, 506980, 659074, 1013960, 1318148, 1647685, 2636296, 3295370, 6590740, 13181480]

約数ペア:

[(1, 13181480), (2, 6590740), (4, 3295370), (5, 2636296), (8, 1647685), (10, 1318148), (13, 1013960), (20, 659074), (26, 506980), (40, 329537), (52, 253490), (65, 202792), (104, 126745), (130, 101396), (260, 50698), (520, 25349)]