2002304840

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{178141}}^1$

素因数の和:178433

約数の個数: 32

約数和(自身を含む): 4521243960

約数和(自身を除く): 2518939120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 178141, 356282, 712564, 890705, 1425128, 1781410, 3562820, 7125640, 50057621, 100115242, 200230484, 250288105, 400460968, 500576210, 1001152420, 2002304840]

約数ペア:

[(1, 2002304840), (2, 1001152420), (4, 500576210), (5, 400460968), (8, 250288105), (10, 200230484), (20, 100115242), (40, 50057621), (281, 7125640), (562, 3562820), (1124, 1781410), (1405, 1425128), (2248, 890705), (2810, 712564), (5620, 356282), (11240, 178141)]