12379760

素因数分解:

$2^4\times 5^1\times {\mathrm{154747}}^1$

素因数の和:154760

約数の個数: 20

約数和(自身を含む): 28783128

約数和(自身を除く): 16403368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154747, 309494, 618988, 773735, 1237976, 1547470, 2475952, 3094940, 6189880, 12379760]

約数ペア:

[(1, 12379760), (2, 6189880), (4, 3094940), (5, 2475952), (8, 1547470), (10, 1237976), (16, 773735), (20, 618988), (40, 309494), (80, 154747)]