8207960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1307}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 18599760

約数和(自身を除く): 10391800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1307, 1570, 2614, 3140, 5228, 6280, 6535, 10456, 13070, 26140, 52280, 205199, 410398, 820796, 1025995, 1641592, 2051990, 4103980, 8207960]

約数ペア:

[(1, 8207960), (2, 4103980), (4, 2051990), (5, 1641592), (8, 1025995), (10, 820796), (20, 410398), (40, 205199), (157, 52280), (314, 26140), (628, 13070), (785, 10456), (1256, 6535), (1307, 6280), (1570, 5228), (2614, 3140)]