1260804520

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{75227}}^1$

素因数の和:75657

約数の個数: 32

約数和(自身を含む): 2843618400

約数和(自身を除く): 1582813880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 75227, 150454, 300908, 376135, 601816, 752270, 1504540, 3009080, 31520113, 63040226, 126080452, 157600565, 252160904, 315201130, 630402260, 1260804520]

約数ペア:

[(1, 1260804520), (2, 630402260), (4, 315201130), (5, 252160904), (8, 157600565), (10, 126080452), (20, 63040226), (40, 31520113), (419, 3009080), (838, 1504540), (1676, 752270), (2095, 601816), (3352, 376135), (4190, 300908), (8380, 150454), (16760, 75227)]