13080470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 25522560

約数和(自身を除く): 12442090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 421, 478, 842, 1195, 2105, 2390, 3107, 4210, 5473, 6214, 10946, 15535, 27365, 31070, 54730, 100619, 201238, 503095, 1006190, 1308047, 2616094, 6540235, 13080470]

約数ペア:

[(1, 13080470), (2, 6540235), (5, 2616094), (10, 1308047), (13, 1006190), (26, 503095), (65, 201238), (130, 100619), (239, 54730), (421, 31070), (478, 27365), (842, 15535), (1195, 10946), (2105, 6214), (2390, 5473), (3107, 4210)]