8900540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 21288960

約数和(自身を除く): 12388420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1759, 2530, 3518, 5060, 7036, 8795, 17590, 19349, 35180, 38698, 40457, 77396, 80914, 96745, 161828, 193490, 202285, 386980, 404570, 445027, 809140, 890054, 1780108, 2225135, 4450270, 8900540]

約数ペア:

[(1, 8900540), (2, 4450270), (4, 2225135), (5, 1780108), (10, 890054), (11, 809140), (20, 445027), (22, 404570), (23, 386980), (44, 202285), (46, 193490), (55, 161828), (92, 96745), (110, 80914), (115, 77396), (220, 40457), (230, 38698), (253, 35180), (460, 19349), (506, 17590), (1012, 8795), (1265, 7036), (1759, 5060), (2530, 3518)]