171340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 388080

約数和(自身を除く): 216740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 659, 1318, 2636, 3295, 6590, 8567, 13180, 17134, 34268, 42835, 85670, 171340]

約数ペア:

[(1, 171340), (2, 85670), (4, 42835), (5, 34268), (10, 17134), (13, 13180), (20, 8567), (26, 6590), (52, 3295), (65, 2636), (130, 1318), (260, 659)]