12964360

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3209}}^1$

素因数の和:3321

約数の個数: 32

約数和(自身を含む): 29467800

約数和(自身を除く): 16503440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3209, 4040, 6418, 12836, 16045, 25672, 32090, 64180, 128360, 324109, 648218, 1296436, 1620545, 2592872, 3241090, 6482180, 12964360]

約数ペア:

[(1, 12964360), (2, 6482180), (4, 3241090), (5, 2592872), (8, 1620545), (10, 1296436), (20, 648218), (40, 324109), (101, 128360), (202, 64180), (404, 32090), (505, 25672), (808, 16045), (1010, 12836), (2020, 6418), (3209, 4040)]