2602160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2957}}^1$

素因数の和:2981

約数の個数: 40

約数和(自身を含む): 6602256

約数和(自身を除く): 4000096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2957, 5914, 11828, 14785, 23656, 29570, 32527, 47312, 59140, 65054, 118280, 130108, 162635, 236560, 260216, 325270, 520432, 650540, 1301080, 2602160]

約数ペア:

[(1, 2602160), (2, 1301080), (4, 650540), (5, 520432), (8, 325270), (10, 260216), (11, 236560), (16, 162635), (20, 130108), (22, 118280), (40, 65054), (44, 59140), (55, 47312), (80, 32527), (88, 29570), (110, 23656), (176, 14785), (220, 11828), (440, 5914), (880, 2957)]