123463280

素因数分解:

$2^4\times 5^1\times {\mathrm{1543291}}^1$

素因数の和:1543304

約数の個数: 20

約数和(自身を含む): 287052312

約数和(自身を除く): 163589032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1543291, 3086582, 6173164, 7716455, 12346328, 15432910, 24692656, 30865820, 61731640, 123463280]

約数ペア:

[(1, 123463280), (2, 61731640), (4, 30865820), (5, 24692656), (8, 15432910), (10, 12346328), (16, 7716455), (20, 6173164), (40, 3086582), (80, 1543291)]