25661120

素因数分解:

$2^6\times 5^1\times {\mathrm{80191}}^1$

素因数の和:80208

約数の個数: 28

約数和(自身を含む): 61106304

約数和(自身を除く): 35445184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 80191, 160382, 320764, 400955, 641528, 801910, 1283056, 1603820, 2566112, 3207640, 5132224, 6415280, 12830560, 25661120]

約数ペア:

[(1, 25661120), (2, 12830560), (4, 6415280), (5, 5132224), (8, 3207640), (10, 2566112), (16, 1603820), (20, 1283056), (32, 801910), (40, 641528), (64, 400955), (80, 320764), (160, 160382), (320, 80191)]