156979820

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{18127}}^1$

素因数の和:18569

約数の個数: 24

約数和(自身を含む): 330437184

約数和(自身を除く): 173457364

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 8660, 18127, 36254, 72508, 90635, 181270, 362540, 7848991, 15697982, 31395964, 39244955, 78489910, 156979820]

約数ペア:

[(1, 156979820), (2, 78489910), (4, 39244955), (5, 31395964), (10, 15697982), (20, 7848991), (433, 362540), (866, 181270), (1732, 90635), (2165, 72508), (4330, 36254), (8660, 18127)]