81133900

素因数分解:

$2^2\times 5^2\times {\mathrm{503}}^1\times {\mathrm{1613}}^1$

素因数の和:2130

約数の個数: 36

約数和(自身を含む): 176519952

約数和(自身を除く): 95386052

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 503, 1006, 1613, 2012, 2515, 3226, 5030, 6452, 8065, 10060, 12575, 16130, 25150, 32260, 40325, 50300, 80650, 161300, 811339, 1622678, 3245356, 4056695, 8113390, 16226780, 20283475, 40566950, 81133900]

約数ペア:

[(1, 81133900), (2, 40566950), (4, 20283475), (5, 16226780), (10, 8113390), (20, 4056695), (25, 3245356), (50, 1622678), (100, 811339), (503, 161300), (1006, 80650), (1613, 50300), (2012, 40325), (2515, 32260), (3226, 25150), (5030, 16130), (6452, 12575), (8065, 10060)]