3431320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 7801200

約数和(自身を除く): 4369880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 787, 872, 1090, 1574, 2180, 3148, 3935, 4360, 6296, 7870, 15740, 31480, 85783, 171566, 343132, 428915, 686264, 857830, 1715660, 3431320]

約数ペア:

[(1, 3431320), (2, 1715660), (4, 857830), (5, 686264), (8, 428915), (10, 343132), (20, 171566), (40, 85783), (109, 31480), (218, 15740), (436, 7870), (545, 6296), (787, 4360), (872, 3935), (1090, 3148), (1574, 2180)]