72963020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280627}}^1$

素因数の和:280649

約数の個数: 24

約数和(自身を含む): 165009264

約数和(自身を除く): 92046244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 280627, 561254, 1122508, 1403135, 2806270, 3648151, 5612540, 7296302, 14592604, 18240755, 36481510, 72963020]

約数ペア:

[(1, 72963020), (2, 36481510), (4, 18240755), (5, 14592604), (10, 7296302), (13, 5612540), (20, 3648151), (26, 2806270), (52, 1403135), (65, 1122508), (130, 561254), (260, 280627)]