2146644560

素因数分解:

$2^4\times 5^1\times {\mathrm{26833057}}^1$

素因数の和:26833070

約数の個数: 20

約数和(自身を含む): 4990948788

約数和(自身を除く): 2844304228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26833057, 53666114, 107332228, 134165285, 214664456, 268330570, 429328912, 536661140, 1073322280, 2146644560]

約数ペア:

[(1, 2146644560), (2, 1073322280), (4, 536661140), (5, 429328912), (8, 268330570), (10, 214664456), (16, 134165285), (20, 107332228), (40, 53666114), (80, 26833057)]