79519780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{31307}}^1$

素因数の和:31443

約数の個数: 24

約数和(自身を含む): 168311808

約数和(自身を除く): 88792028

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 31307, 62614, 125228, 156535, 313070, 626140, 3975989, 7951978, 15903956, 19879945, 39759890, 79519780]

約数ペア:

[(1, 79519780), (2, 39759890), (4, 19879945), (5, 15903956), (10, 7951978), (20, 3975989), (127, 626140), (254, 313070), (508, 156535), (635, 125228), (1270, 62614), (2540, 31307)]