4456120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1103}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 10134720

約数和(自身を除く): 5678600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1103, 2020, 2206, 4040, 4412, 5515, 8824, 11030, 22060, 44120, 111403, 222806, 445612, 557015, 891224, 1114030, 2228060, 4456120]

約数ペア:

[(1, 4456120), (2, 2228060), (4, 1114030), (5, 891224), (8, 557015), (10, 445612), (20, 222806), (40, 111403), (101, 44120), (202, 22060), (404, 11030), (505, 8824), (808, 5515), (1010, 4412), (1103, 4040), (2020, 2206)]