68158220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262147}}^1$

素因数の和:262169

約数の個数: 24

約数和(自身を含む): 154143024

約数和(自身を除く): 85984804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 262147, 524294, 1048588, 1310735, 2621470, 3407911, 5242940, 6815822, 13631644, 17039555, 34079110, 68158220]

約数ペア:

[(1, 68158220), (2, 34079110), (4, 17039555), (5, 13631644), (10, 6815822), (13, 5242940), (20, 3407911), (26, 2621470), (52, 1310735), (65, 1048588), (130, 524294), (260, 262147)]