1349247280

素因数分解:

$2^4\times 5^1\times {\mathrm{16865591}}^1$

素因数の和:16865604

約数の個数: 20

約数和(自身を含む): 3137000112

約数和(自身を除く): 1787752832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16865591, 33731182, 67462364, 84327955, 134924728, 168655910, 269849456, 337311820, 674623640, 1349247280]

約数ペア:

[(1, 1349247280), (2, 674623640), (4, 337311820), (5, 269849456), (8, 168655910), (10, 134924728), (16, 84327955), (20, 67462364), (40, 33731182), (80, 16865591)]