13430180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4831}}^1$

素因数の和:4979

約数の個数: 24

約数和(自身を含む): 28412160

約数和(自身を除く): 14981980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4831, 9662, 19324, 24155, 48310, 96620, 671509, 1343018, 2686036, 3357545, 6715090, 13430180]

約数ペア:

[(1, 13430180), (2, 6715090), (4, 3357545), (5, 2686036), (10, 1343018), (20, 671509), (139, 96620), (278, 48310), (556, 24155), (695, 19324), (1390, 9662), (2780, 4831)]