19520540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75079}}^1$

素因数の和:75101

約数の個数: 24

約数和(自身を含む): 44147040

約数和(自身を除く): 24626500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75079, 150158, 300316, 375395, 750790, 976027, 1501580, 1952054, 3904108, 4880135, 9760270, 19520540]

約数ペア:

[(1, 19520540), (2, 9760270), (4, 4880135), (5, 3904108), (10, 1952054), (13, 1501580), (20, 976027), (26, 750790), (52, 375395), (65, 300316), (130, 150158), (260, 75079)]