225702920

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{8641}}^1$

素因数の和:9305

約数の個数: 32

約数和(自身を含む): 508668120

約数和(自身を除く): 282965200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 8641, 13060, 17282, 26120, 34564, 43205, 69128, 86410, 172820, 345640, 5642573, 11285146, 22570292, 28212865, 45140584, 56425730, 112851460, 225702920]

約数ペア:

[(1, 225702920), (2, 112851460), (4, 56425730), (5, 45140584), (8, 28212865), (10, 22570292), (20, 11285146), (40, 5642573), (653, 345640), (1306, 172820), (2612, 86410), (3265, 69128), (5224, 43205), (6530, 34564), (8641, 26120), (13060, 17282)]