8742280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11503}}^1$

素因数の和:11533

約数の個数: 32

約数和(自身を含む): 20707200

約数和(自身を除く): 11964920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11503, 23006, 46012, 57515, 92024, 115030, 218557, 230060, 437114, 460120, 874228, 1092785, 1748456, 2185570, 4371140, 8742280]

約数ペア:

[(1, 8742280), (2, 4371140), (4, 2185570), (5, 1748456), (8, 1092785), (10, 874228), (19, 460120), (20, 437114), (38, 230060), (40, 218557), (76, 115030), (95, 92024), (152, 57515), (190, 46012), (380, 23006), (760, 11503)]