81317450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{56081}}^1$

素因数の和:56122

約数の個数: 24

約数和(自身を含む): 156468780

約数和(自身を除く): 75151330

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 56081, 112162, 280405, 560810, 1402025, 1626349, 2804050, 3252698, 8131745, 16263490, 40658725, 81317450]

約数ペア:

[(1, 81317450), (2, 40658725), (5, 16263490), (10, 8131745), (25, 3252698), (29, 2804050), (50, 1626349), (58, 1402025), (145, 560810), (290, 280405), (725, 112162), (1450, 56081)]