26387860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18583}}^1$

素因数の和:18663

約数の個数: 24

約数和(自身を含む): 56198016

約数和(自身を除く): 29810156

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18583, 37166, 74332, 92915, 185830, 371660, 1319393, 2638786, 5277572, 6596965, 13193930, 26387860]

約数ペア:

[(1, 26387860), (2, 13193930), (4, 6596965), (5, 5277572), (10, 2638786), (20, 1319393), (71, 371660), (142, 185830), (284, 92915), (355, 74332), (710, 37166), (1420, 18583)]