7155320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4363}}^1$

素因数の和:4415

約数の個数: 32

約数和(自身を含む): 16495920

約数和(自身を除く): 9340600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4363, 8726, 17452, 21815, 34904, 43630, 87260, 174520, 178883, 357766, 715532, 894415, 1431064, 1788830, 3577660, 7155320]

約数ペア:

[(1, 7155320), (2, 3577660), (4, 1788830), (5, 1431064), (8, 894415), (10, 715532), (20, 357766), (40, 178883), (41, 174520), (82, 87260), (164, 43630), (205, 34904), (328, 21815), (410, 17452), (820, 8726), (1640, 4363)]