79957580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{65539}}^1$

素因数の和:65609

約数の個数: 24

約数和(自身を含む): 170666160

約数和(自身を除く): 90708580

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 65539, 131078, 262156, 327695, 655390, 1310780, 3997879, 7995758, 15991516, 19989395, 39978790, 79957580]

約数ペア:

[(1, 79957580), (2, 39978790), (4, 19989395), (5, 15991516), (10, 7995758), (20, 3997879), (61, 1310780), (122, 655390), (244, 327695), (305, 262156), (610, 131078), (1220, 65539)]