4352420

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{809}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 9185400

約数和(自身を除く): 4832980

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 809, 1076, 1345, 1618, 2690, 3236, 4045, 5380, 8090, 16180, 217621, 435242, 870484, 1088105, 2176210, 4352420]

約数ペア:

[(1, 4352420), (2, 2176210), (4, 1088105), (5, 870484), (10, 435242), (20, 217621), (269, 16180), (538, 8090), (809, 5380), (1076, 4045), (1345, 3236), (1618, 2690)]