80880415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 121536000

約数和(自身を除く): 40655585

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 421, 499, 2105, 2495, 2947, 3493, 4631, 5489, 14735, 17465, 23155, 27445, 32417, 38423, 162085, 192115, 210079, 1050395, 1470553, 2310869, 7352765, 11554345, 16176083, 80880415]

約数ペア:

[(1, 80880415), (5, 16176083), (7, 11554345), (11, 7352765), (35, 2310869), (55, 1470553), (77, 1050395), (385, 210079), (421, 192115), (499, 162085), (2105, 38423), (2495, 32417), (2947, 27445), (3493, 23155), (4631, 17465), (5489, 14735)]