8156780

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1303}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 17197152

約数和(自身を除く): 9040372

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1303, 1565, 2606, 3130, 5212, 6260, 6515, 13030, 26060, 407839, 815678, 1631356, 2039195, 4078390, 8156780]

約数ペア:

[(1, 8156780), (2, 4078390), (4, 2039195), (5, 1631356), (10, 815678), (20, 407839), (313, 26060), (626, 13030), (1252, 6515), (1303, 6260), (1565, 5212), (2606, 3130)]