79440020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{361091}}^1$

素因数の和:361111

約数の個数: 24

約数和(自身を含む): 181990368

約数和(自身を除く): 102550348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 361091, 722182, 1444364, 1805455, 3610910, 3972001, 7221820, 7944002, 15888004, 19860005, 39720010, 79440020]

約数ペア:

[(1, 79440020), (2, 39720010), (4, 19860005), (5, 15888004), (10, 7944002), (11, 7221820), (20, 3972001), (22, 3610910), (44, 1805455), (55, 1444364), (110, 722182), (220, 361091)]