11727880

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{653}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 26487000

約数和(自身を除く): 14759120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 653, 898, 1306, 1796, 2245, 2612, 3265, 3592, 4490, 5224, 6530, 8980, 13060, 17960, 26120, 293197, 586394, 1172788, 1465985, 2345576, 2931970, 5863940, 11727880]

約数ペア:

[(1, 11727880), (2, 5863940), (4, 2931970), (5, 2345576), (8, 1465985), (10, 1172788), (20, 586394), (40, 293197), (449, 26120), (653, 17960), (898, 13060), (1306, 8980), (1796, 6530), (2245, 5224), (2612, 4490), (3265, 3592)]