80215630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19709}}^1$

素因数の和:19764

約数の個数: 32

約数和(自身を含む): 161779680

約数和(自身を除く): 81564050

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 19709, 39418, 98545, 197090, 216799, 433598, 729233, 1083995, 1458466, 2167990, 3646165, 7292330, 8021563, 16043126, 40107815, 80215630]

約数ペア:

[(1, 80215630), (2, 40107815), (5, 16043126), (10, 8021563), (11, 7292330), (22, 3646165), (37, 2167990), (55, 1458466), (74, 1083995), (110, 729233), (185, 433598), (370, 216799), (407, 197090), (814, 98545), (2035, 39418), (4070, 19709)]