1642804580

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{100049}}^1$

素因数の和:100879

約数の個数: 24

約数和(自身を含む): 3454126200

約数和(自身を除く): 1811321620

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 100049, 200098, 400196, 500245, 1000490, 2000980, 82140229, 164280458, 328560916, 410701145, 821402290, 1642804580]

約数ペア:

[(1, 1642804580), (2, 821402290), (4, 410701145), (5, 328560916), (10, 164280458), (20, 82140229), (821, 2000980), (1642, 1000490), (3284, 500245), (4105, 400196), (8210, 200098), (16420, 100049)]