540380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 1164240

約数和(自身を除く): 623860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 659, 820, 1318, 2636, 3295, 6590, 13180, 27019, 54038, 108076, 135095, 270190, 540380]

約数ペア:

[(1, 540380), (2, 270190), (4, 135095), (5, 108076), (10, 54038), (20, 27019), (41, 13180), (82, 6590), (164, 3295), (205, 2636), (410, 1318), (659, 820)]