1294173880

素因数分解:

$2^3\times 5^1\times {\mathrm{32354347}}^1$

素因数の和:32354358

約数の個数: 16

約数和(自身を含む): 2911891320

約数和(自身を除く): 1617717440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32354347, 64708694, 129417388, 161771735, 258834776, 323543470, 647086940, 1294173880]

約数ペア:

[(1, 1294173880), (2, 647086940), (4, 323543470), (5, 258834776), (8, 161771735), (10, 129417388), (20, 64708694), (40, 32354347)]