15841780

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1213}}^1$

素因数の和:1875

約数の個数: 24

約数和(自身を含む): 33346152

約数和(自身を除く): 17504372

約数列:

[1, 2, 4, 5, 10, 20, 653, 1213, 1306, 2426, 2612, 3265, 4852, 6065, 6530, 12130, 13060, 24260, 792089, 1584178, 3168356, 3960445, 7920890, 15841780]

約数ペア:

[(1, 15841780), (2, 7920890), (4, 3960445), (5, 3168356), (10, 1584178), (20, 792089), (653, 24260), (1213, 13060), (1306, 12130), (2426, 6530), (2612, 6065), (3265, 4852)]