77907520

素因数分解:

$2^6\times 5^1\times {\mathrm{243461}}^1$

素因数の和:243478

約数の個数: 28

約数和(自身を含む): 185518044

約数和(自身を除く): 107610524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243461, 486922, 973844, 1217305, 1947688, 2434610, 3895376, 4869220, 7790752, 9738440, 15581504, 19476880, 38953760, 77907520]

約数ペア:

[(1, 77907520), (2, 38953760), (4, 19476880), (5, 15581504), (8, 9738440), (10, 7790752), (16, 4869220), (20, 3895376), (32, 2434610), (40, 1947688), (64, 1217305), (80, 973844), (160, 486922), (320, 243461)]