19710560

素因数分解:

$2^5\times 5^1\times {\mathrm{123191}}^1$

素因数の和:123206

約数の個数: 24

約数和(自身を含む): 46566576

約数和(自身を除く): 26856016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123191, 246382, 492764, 615955, 985528, 1231910, 1971056, 2463820, 3942112, 4927640, 9855280, 19710560]

約数ペア:

[(1, 19710560), (2, 9855280), (4, 4927640), (5, 3942112), (8, 2463820), (10, 1971056), (16, 1231910), (20, 985528), (32, 615955), (40, 492764), (80, 246382), (160, 123191)]