6980840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2861}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 15969960

約数和(自身を除く): 8989120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 2861, 5722, 11444, 14305, 22888, 28610, 57220, 114440, 174521, 349042, 698084, 872605, 1396168, 1745210, 3490420, 6980840]

約数ペア:

[(1, 6980840), (2, 3490420), (4, 1745210), (5, 1396168), (8, 872605), (10, 698084), (20, 349042), (40, 174521), (61, 114440), (122, 57220), (244, 28610), (305, 22888), (488, 14305), (610, 11444), (1220, 5722), (2440, 2861)]