40219660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154691}}^1$

素因数の和:154713

約数の個数: 24

約数和(自身を含む): 90958896

約数和(自身を除く): 50739236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154691, 309382, 618764, 773455, 1546910, 2010983, 3093820, 4021966, 8043932, 10054915, 20109830, 40219660]

約数ペア:

[(1, 40219660), (2, 20109830), (4, 10054915), (5, 8043932), (10, 4021966), (13, 3093820), (20, 2010983), (26, 1546910), (52, 773455), (65, 618764), (130, 309382), (260, 154691)]