13049320

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2347}}^1$

素因数の和:2497

約数の個数: 32

約数和(自身を含む): 29584800

約数和(自身を除く): 16535480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2347, 2780, 4694, 5560, 9388, 11735, 18776, 23470, 46940, 93880, 326233, 652466, 1304932, 1631165, 2609864, 3262330, 6524660, 13049320]

約数ペア:

[(1, 13049320), (2, 6524660), (4, 3262330), (5, 2609864), (8, 1631165), (10, 1304932), (20, 652466), (40, 326233), (139, 93880), (278, 46940), (556, 23470), (695, 18776), (1112, 11735), (1390, 9388), (2347, 5560), (2780, 4694)]