26658440

素因数分解:

$2^3\times 5^1\times {\mathrm{666461}}^1$

素因数の和:666472

約数の個数: 16

約数和(自身を含む): 59981580

約数和(自身を除く): 33323140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 666461, 1332922, 2665844, 3332305, 5331688, 6664610, 13329220, 26658440]

約数ペア:

[(1, 26658440), (2, 13329220), (4, 6664610), (5, 5331688), (8, 3332305), (10, 2665844), (20, 1332922), (40, 666461)]