2012131420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7738967}}^1$

素因数の和:7738989

約数の個数: 24

約数和(自身を含む): 4550513184

約数和(自身を除く): 2538381764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7738967, 15477934, 30955868, 38694835, 77389670, 100606571, 154779340, 201213142, 402426284, 503032855, 1006065710, 2012131420]

約数ペア:

[(1, 2012131420), (2, 1006065710), (4, 503032855), (5, 402426284), (10, 201213142), (13, 154779340), (20, 100606571), (26, 77389670), (52, 38694835), (65, 30955868), (130, 15477934), (260, 7738967)]