80785445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 114397920

約数和(自身を除く): 33612475

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 2465, 2521, 6409, 12605, 32045, 32773, 42857, 73109, 163865, 214285, 365545, 557141, 950417, 1242853, 2785705, 4752085, 6214265, 16157089, 80785445]

約数ペア:

[(1, 80785445), (5, 16157089), (13, 6214265), (17, 4752085), (29, 2785705), (65, 1242853), (85, 950417), (145, 557141), (221, 365545), (377, 214285), (493, 163865), (1105, 73109), (1885, 42857), (2465, 32773), (2521, 32045), (6409, 12605)]