78179660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{300691}}^1$

素因数の和:300713

約数の個数: 24

約数和(自身を含む): 176806896

約数和(自身を除く): 98627236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 300691, 601382, 1202764, 1503455, 3006910, 3908983, 6013820, 7817966, 15635932, 19544915, 39089830, 78179660]

約数ペア:

[(1, 78179660), (2, 39089830), (4, 19544915), (5, 15635932), (10, 7817966), (13, 6013820), (20, 3908983), (26, 3006910), (52, 1503455), (65, 1202764), (130, 601382), (260, 300691)]