78845120

素因数分解:

$2^6\times 5^1\times {\mathrm{246391}}^1$

素因数の和:246408

約数の個数: 28

約数和(自身を含む): 187750704

約数和(自身を除く): 108905584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246391, 492782, 985564, 1231955, 1971128, 2463910, 3942256, 4927820, 7884512, 9855640, 15769024, 19711280, 39422560, 78845120]

約数ペア:

[(1, 78845120), (2, 39422560), (4, 19711280), (5, 15769024), (8, 9855640), (10, 7884512), (16, 4927820), (20, 3942256), (32, 2463910), (40, 1971128), (64, 1231955), (80, 985564), (160, 492782), (320, 246391)]