40811540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26501}}^1$

素因数の和:26528

約数の個数: 48

約数和(自身を含む): 106856064

約数和(自身を除く): 66044524

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 26501, 53002, 106004, 132505, 185507, 265010, 291511, 371014, 530020, 583022, 742028, 927535, 1166044, 1457555, 1855070, 2040577, 2915110, 3710140, 4081154, 5830220, 8162308, 10202885, 20405770, 40811540]

約数ペア:

[(1, 40811540), (2, 20405770), (4, 10202885), (5, 8162308), (7, 5830220), (10, 4081154), (11, 3710140), (14, 2915110), (20, 2040577), (22, 1855070), (28, 1457555), (35, 1166044), (44, 927535), (55, 742028), (70, 583022), (77, 530020), (110, 371014), (140, 291511), (154, 265010), (220, 185507), (308, 132505), (385, 106004), (770, 53002), (1540, 26501)]