3320840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 7599960

約数和(自身を除く): 4279120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1361, 2440, 2722, 5444, 6805, 10888, 13610, 27220, 54440, 83021, 166042, 332084, 415105, 664168, 830210, 1660420, 3320840]

約数ペア:

[(1, 3320840), (2, 1660420), (4, 830210), (5, 664168), (8, 415105), (10, 332084), (20, 166042), (40, 83021), (61, 54440), (122, 27220), (244, 13610), (305, 10888), (488, 6805), (610, 5444), (1220, 2722), (1361, 2440)]