5402890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1321}}^1$

素因数の和:1737

約数の個数: 16

約数和(自身を含む): 9756360

約数和(自身を除く): 4353470

約数列:

[1, 2, 5, 10, 409, 818, 1321, 2045, 2642, 4090, 6605, 13210, 540289, 1080578, 2701445, 5402890]

約数ペア:

[(1, 5402890), (2, 2701445), (5, 1080578), (10, 540289), (409, 13210), (818, 6605), (1321, 4090), (2045, 2642)]