79705280

素因数分解:

$2^6\times 5^1\times {\mathrm{249079}}^1$

素因数の和:249096

約数の個数: 28

約数和(自身を含む): 189798960

約数和(自身を除く): 110093680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 249079, 498158, 996316, 1245395, 1992632, 2490790, 3985264, 4981580, 7970528, 9963160, 15941056, 19926320, 39852640, 79705280]

約数ペア:

[(1, 79705280), (2, 39852640), (4, 19926320), (5, 15941056), (8, 9963160), (10, 7970528), (16, 4981580), (20, 3985264), (32, 2490790), (40, 1992632), (64, 1245395), (80, 996316), (160, 498158), (320, 249079)]