27807860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19583}}^1$

素因数の和:19663

約数の個数: 24

約数和(自身を含む): 59222016

約数和(自身を除く): 31414156

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 19583, 39166, 78332, 97915, 195830, 391660, 1390393, 2780786, 5561572, 6951965, 13903930, 27807860]

約数ペア:

[(1, 27807860), (2, 13903930), (4, 6951965), (5, 5561572), (10, 2780786), (20, 1390393), (71, 391660), (142, 195830), (284, 97915), (355, 78332), (710, 39166), (1420, 19583)]