145939820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{561307}}^1$

素因数の和:561329

約数の個数: 24

約数和(自身を含む): 330049104

約数和(自身を除く): 184109284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 561307, 1122614, 2245228, 2806535, 5613070, 7296991, 11226140, 14593982, 29187964, 36484955, 72969910, 145939820]

約数ペア:

[(1, 145939820), (2, 72969910), (4, 36484955), (5, 29187964), (10, 14593982), (13, 11226140), (20, 7296991), (26, 5613070), (52, 2806535), (65, 2245228), (130, 1122614), (260, 561307)]