12459760

素因数分解:

$2^4\times 5^1\times {\mathrm{155747}}^1$

素因数の和:155760

約数の個数: 20

約数和(自身を含む): 28969128

約数和(自身を除く): 16509368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155747, 311494, 622988, 778735, 1245976, 1557470, 2491952, 3114940, 6229880, 12459760]

約数ペア:

[(1, 12459760), (2, 6229880), (4, 3114940), (5, 2491952), (8, 1557470), (10, 1245976), (16, 778735), (20, 622988), (40, 311494), (80, 155747)]