12854180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3943}}^1$

素因数の和:4115

約数の個数: 24

約数和(自身を含む): 27166272

約数和(自身を除く): 14312092

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 3943, 7886, 15772, 19715, 39430, 78860, 642709, 1285418, 2570836, 3213545, 6427090, 12854180]

約数ペア:

[(1, 12854180), (2, 6427090), (4, 3213545), (5, 2570836), (10, 1285418), (20, 642709), (163, 78860), (326, 39430), (652, 19715), (815, 15772), (1630, 7886), (3260, 3943)]