810080300

素因数分解:

$2^2\times 5^2\times {\mathrm{8100803}}^1$

素因数の和:8100817

約数の個数: 18

約数和(自身を含む): 1757874468

約数和(自身を除く): 947794168

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 8100803, 16201606, 32403212, 40504015, 81008030, 162016060, 202520075, 405040150, 810080300]

約数ペア:

[(1, 810080300), (2, 405040150), (4, 202520075), (5, 162016060), (10, 81008030), (20, 40504015), (25, 32403212), (50, 16201606), (100, 8100803)]