9898480

素因数分解:

$2^4\times 5^1\times {\mathrm{123731}}^1$

素因数の和:123744

約数の個数: 20

約数和(自身を含む): 23014152

約数和(自身を除く): 13115672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123731, 247462, 494924, 618655, 989848, 1237310, 1979696, 2474620, 4949240, 9898480]

約数ペア:

[(1, 9898480), (2, 4949240), (4, 2474620), (5, 1979696), (8, 1237310), (10, 989848), (16, 618655), (20, 494924), (40, 247462), (80, 123731)]