12691780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8693}}^1$

素因数の和:8775

約数の個数: 24

約数和(自身を含む): 27020952

約数和(自身を除く): 14329172

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 8693, 17386, 34772, 43465, 86930, 173860, 634589, 1269178, 2538356, 3172945, 6345890, 12691780]

約数ペア:

[(1, 12691780), (2, 6345890), (4, 3172945), (5, 2538356), (10, 1269178), (20, 634589), (73, 173860), (146, 86930), (292, 43465), (365, 34772), (730, 17386), (1460, 8693)]