2612840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 5957280

約数和(自身を除く): 3344440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 787, 830, 1574, 1660, 3148, 3320, 3935, 6296, 7870, 15740, 31480, 65321, 130642, 261284, 326605, 522568, 653210, 1306420, 2612840]

約数ペア:

[(1, 2612840), (2, 1306420), (4, 653210), (5, 522568), (8, 326605), (10, 261284), (20, 130642), (40, 65321), (83, 31480), (166, 15740), (332, 7870), (415, 6296), (664, 3935), (787, 3320), (830, 3148), (1574, 1660)]