15529520

素因数分解:

$2^4\times 5^1\times {\mathrm{194119}}^1$

素因数の和:194132

約数の個数: 20

約数和(自身を含む): 36106320

約数和(自身を除く): 20576800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 194119, 388238, 776476, 970595, 1552952, 1941190, 3105904, 3882380, 7764760, 15529520]

約数ペア:

[(1, 15529520), (2, 7764760), (4, 3882380), (5, 3105904), (8, 1941190), (10, 1552952), (16, 970595), (20, 776476), (40, 388238), (80, 194119)]