2690920

素因数分解:

$2^3\times 5^1\times {\mathrm{67273}}^1$

素因数の和:67284

約数の個数: 16

約数和(自身を含む): 6054660

約数和(自身を除く): 3363740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67273, 134546, 269092, 336365, 538184, 672730, 1345460, 2690920]

約数ペア:

[(1, 2690920), (2, 1345460), (4, 672730), (5, 538184), (8, 336365), (10, 269092), (20, 134546), (40, 67273)]