6641680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1435

約数の個数: 40

約数和(自身を含む): 15706584

約数和(自身を除く): 9064904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1361, 2440, 2722, 4880, 5444, 6805, 10888, 13610, 21776, 27220, 54440, 83021, 108880, 166042, 332084, 415105, 664168, 830210, 1328336, 1660420, 3320840, 6641680]

約数ペア:

[(1, 6641680), (2, 3320840), (4, 1660420), (5, 1328336), (8, 830210), (10, 664168), (16, 415105), (20, 332084), (40, 166042), (61, 108880), (80, 83021), (122, 54440), (244, 27220), (305, 21776), (488, 13610), (610, 10888), (976, 6805), (1220, 5444), (1361, 4880), (2440, 2722)]