30840910

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{7691}}^1$

素因数の和:8099

約数の個数: 16

約数和(自身を含む): 55659312

約数和(自身を除く): 24818402

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 7691, 15382, 38455, 76910, 3084091, 6168182, 15420455, 30840910]

約数ペア:

[(1, 30840910), (2, 15420455), (5, 6168182), (10, 3084091), (401, 76910), (802, 38455), (2005, 15382), (4010, 7691)]