8045805640

素因数分解:

$2^3\times 5^1\times {\mathrm{4451}}^1\times {\mathrm{45191}}^1$

素因数の和:49653

約数の個数: 32

約数和(自身を含む): 18107530560

約数和(自身を除く): 10061724920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4451, 8902, 17804, 22255, 35608, 44510, 45191, 89020, 90382, 178040, 180764, 225955, 361528, 451910, 903820, 1807640, 201145141, 402290282, 804580564, 1005725705, 1609161128, 2011451410, 4022902820, 8045805640]

約数ペア:

[(1, 8045805640), (2, 4022902820), (4, 2011451410), (5, 1609161128), (8, 1005725705), (10, 804580564), (20, 402290282), (40, 201145141), (4451, 1807640), (8902, 903820), (17804, 451910), (22255, 361528), (35608, 225955), (44510, 180764), (45191, 178040), (89020, 90382)]