12440272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59809}}^1$

素因数の和:59830

約数の個数: 20

約数和(自身を含む): 25957540

約数和(自身を除く): 13517268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 59809, 119618, 239236, 478472, 777517, 956944, 1555034, 3110068, 6220136, 12440272]

約数ペア:

[(1, 12440272), (2, 6220136), (4, 3110068), (8, 1555034), (13, 956944), (16, 777517), (26, 478472), (52, 239236), (104, 119618), (208, 59809)]