25607660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98491}}^1$

素因数の和:98513

約数の個数: 24

約数和(自身を含む): 57913296

約数和(自身を除く): 32305636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98491, 196982, 393964, 492455, 984910, 1280383, 1969820, 2560766, 5121532, 6401915, 12803830, 25607660]

約数ペア:

[(1, 25607660), (2, 12803830), (4, 6401915), (5, 5121532), (10, 2560766), (13, 1969820), (20, 1280383), (26, 984910), (52, 492455), (65, 393964), (130, 196982), (260, 98491)]