77839660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{63803}}^1$

素因数の和:63873

約数の個数: 24

約数和(自身を含む): 166145616

約数和(自身を除く): 88305956

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 63803, 127606, 255212, 319015, 638030, 1276060, 3891983, 7783966, 15567932, 19459915, 38919830, 77839660]

約数ペア:

[(1, 77839660), (2, 38919830), (4, 19459915), (5, 15567932), (10, 7783966), (20, 3891983), (61, 1276060), (122, 638030), (244, 319015), (305, 255212), (610, 127606), (1220, 63803)]