15656540

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1447}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 32962272

約数和(自身を除く): 17305732

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1447, 2164, 2705, 2894, 5410, 5788, 7235, 10820, 14470, 28940, 782827, 1565654, 3131308, 3914135, 7828270, 15656540]

約数ペア:

[(1, 15656540), (2, 7828270), (4, 3914135), (5, 3131308), (10, 1565654), (20, 782827), (541, 28940), (1082, 14470), (1447, 10820), (2164, 7235), (2705, 5788), (2894, 5410)]