7120520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16183}}^1$

素因数の和:16205

約数の個数: 32

約数和(自身を含む): 17478720

約数和(自身を除く): 10358200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 16183, 32366, 64732, 80915, 129464, 161830, 178013, 323660, 356026, 647320, 712052, 890065, 1424104, 1780130, 3560260, 7120520]

約数ペア:

[(1, 7120520), (2, 3560260), (4, 1780130), (5, 1424104), (8, 890065), (10, 712052), (11, 647320), (20, 356026), (22, 323660), (40, 178013), (44, 161830), (55, 129464), (88, 80915), (110, 64732), (220, 32366), (440, 16183)]