1920544775

素因数分解:

$5^2\times {\mathrm{137}}^1\times {\mathrm{683}}^1\times {\mathrm{821}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 2405296944

約数和(自身を除く): 484752169

約数列:

[1, 5, 25, 137, 683, 685, 821, 3415, 3425, 4105, 17075, 20525, 93571, 112477, 467855, 560743, 562385, 2339275, 2803715, 2811925, 14018575, 76821791, 384108955, 1920544775]

約数ペア:

[(1, 1920544775), (5, 384108955), (25, 76821791), (137, 14018575), (683, 2811925), (685, 2803715), (821, 2339275), (3415, 562385), (3425, 560743), (4105, 467855), (17075, 112477), (20525, 93571)]