78435260

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{2063}}^1$

素因数の和:3973

約数の個数: 24

約数和(自身を含む): 164880576

約数和(自身を除く): 86445316

約数列:

[1, 2, 4, 5, 10, 20, 1901, 2063, 3802, 4126, 7604, 8252, 9505, 10315, 19010, 20630, 38020, 41260, 3921763, 7843526, 15687052, 19608815, 39217630, 78435260]

約数ペア:

[(1, 78435260), (2, 39217630), (4, 19608815), (5, 15687052), (10, 7843526), (20, 3921763), (1901, 41260), (2063, 38020), (3802, 20630), (4126, 19010), (7604, 10315), (8252, 9505)]