6656540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 15482880

約数和(自身を除く): 8826340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 383, 395, 766, 790, 869, 1532, 1580, 1738, 1915, 3476, 3830, 4213, 4345, 7660, 8426, 8690, 16852, 17380, 21065, 30257, 42130, 60514, 84260, 121028, 151285, 302570, 332827, 605140, 665654, 1331308, 1664135, 3328270, 6656540]

約数ペア:

[(1, 6656540), (2, 3328270), (4, 1664135), (5, 1331308), (10, 665654), (11, 605140), (20, 332827), (22, 302570), (44, 151285), (55, 121028), (79, 84260), (110, 60514), (158, 42130), (220, 30257), (316, 21065), (383, 17380), (395, 16852), (766, 8690), (790, 8426), (869, 7660), (1532, 4345), (1580, 4213), (1738, 3830), (1915, 3476)]