16391140

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{991}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 34497792

約数和(自身を除く): 18106652

約数列:

[1, 2, 4, 5, 10, 20, 827, 991, 1654, 1982, 3308, 3964, 4135, 4955, 8270, 9910, 16540, 19820, 819557, 1639114, 3278228, 4097785, 8195570, 16391140]

約数ペア:

[(1, 16391140), (2, 8195570), (4, 4097785), (5, 3278228), (10, 1639114), (20, 819557), (827, 19820), (991, 16540), (1654, 9910), (1982, 8270), (3308, 4955), (3964, 4135)]